Answers
WHAT HAPPENS TO OUR BODIES WHEN WE EXERCISE?
What is happening to her circulatory system?
When you exercise, or play football in this case, you are working your muscles and certain places in the body. When this happens, your muscles respire (burn the FOOD to produce ENERGY) more faster than they would normally, so the demand for OXYGEN and GLUCOSE is increased.
As the muscles are performing cellular RESPIRATION quicker than the norm, they need oxygen and glucose to reach them faster (glucose and oxygen are the components for cellular respiration), and also they need to get rid of their CO2 (products of cellular respiration are CARBON DIOXIDE and WATER) so the HEART is now pumping blood around the body at a faster rate in order to provide these cells with what they need. To summarize, the circulatory system has to work harder and faster during exercise to provide the cells at work with glucose and oxygen and to get rid of the waste carbon dioxide.
What is happening to her breathing system?
{Relates to explanation given} The requirement for oxygen is increased so now the respiratory system (in particular the LUNGS) have to work harder and faster to take in more oxygen and to exhale more CO2, thus you begin to breathe faster. To summarize, oxygen is inhaled quicker and carbon dioxide is exhaled quicker, therefore the rate of DIFFUSION is increased.
Diagram:
Draw picture of a girl playing football and then in the nest picture of her lungs and heart, you can also include arteries and the veins. Show how the lung and the heart work more harder during the exercise or when playing any sports
hope this helps.....
have a great day ahead :)
Related Questions
4. Kaden is hanging out at Mason's house. They have been friends forever. They
are playing a video game when, all of a sudden, Mason leans over and kisses
Kaden. Kaden is shocked and doesn't know how to respond. Mason continues
kissing Kaden and starts to touch Kaden. Kaden pulls away and explains the
uncomfortableness of the situation. Mason insists they have strong feelings for
each other and need to take it to the next level. Mason continues to encourage
Kaden to just let it happen. Kaden is still hesitant. Finally, Mason realizes Kaden is
not consenting since Kaden has not actively said "YES" and decides to talk about
it. Mason is correct to stop and talk instead. *
True or false?
Answers
Answer:
true
Explanation:
you should never proceed with sexual advance, or any advance really without a for sure verbal consent given.
Remembering an important date in history because it is the same date as your father's birthday is an effective type of learning because
Answers
Why mitochondria is the Power House of the cell??
Answers
Answer : It is called the powerhouse because they burn and break the chemical bonds of glucose to release energy to do work in a cell.
Explanation:
Mitochondria have been described as "the powerhouses of the cell" because they generate most of a cell's supply of chemical energy. ... Mitochondria are the powerhouses inside eukaryotic cells, the type of complicated cell that makes up people, other critters and plants and fungi.
If the following is the sequence of an mRNA, what would be the DNA
sequence?U ACCCGUUAA
Answers
Neurons are best described as which one of these
A. Cells that conduct electrical impulses throughout the body.
B. Thin projections that extend from a cell and connect to other cells.
C. An insulating lipid layer.
D. Cells in the brain that control hormone release.
Thanks!
Answers
Answer:D
Explanation: got it right
The neurons are the cells that conduct electrical impulse throughout the body. The correct option is A.
What is nerve impulse?The signal commutes along the height of a nerve fiber and results in neurotransmitter release.
Neurons are the basic units of the brain and nervous system; they are the cells that receive sensory input from the outside world and sending motor commands.
Nerves carry information along the neuron and all over the nervous system via nerve impulses.
Thus, the correct option is A.
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Prokaryotes play essential roles in the environment and industry. Which statement describes the benefit of nitrogen fixation, a process that certain prokaryotes perform? (1 Point) a. Genetically-engineered bacteria synthesize drugs and chemicals. b. Bacteria clean up oil spills and or remove waste from water. c. Bacteria break down dead organisms and cycle materials back into the environment. d. Symbiotic bacteria on the roots of legumes help supply nutrients to the plant.
Answers
Answer:
d. Symbiotic bacteria on the roots of legumes help supply nutrients to the plant.
Explanation:
Symbiotic bacteria on the roots of legumes help supply nutrients to the plant by fixing atmospheric nitrogen done by nitrogen fixing bacteria. There are some bacteria present in the roots of plants which fixes atmospheric nitrogen and convert in available form to the plants and in exchange the plant provides food and habitat to the bacteria that performs nitrogen fixation.
What are some of the limits of science?
Answers
Answer:
Empirical limits in science
[tex] \huge \blue{ \boxed{ \boxed{ \sf{ \pink{hi}}}}}[/tex]
My AnswerMust deal with observable measurable phenomenon.Science can describe not explain.No experiment can be completely controlled.Observations may faulty.A mans belief effects his judgment.Science must deal with repeatable results.Science cannot deal with values or morals.#CarryOnLearningBrainliest please
Glycolysis occurs during aerobic or anaerobic conditions.
True
False
pls help
Answers
Answer:
true
Explanation:
Glycolysis occurs in both aerobic and anaerobic states. In aerobic conditions, pyruvate enters the citric acid cycle and undergoes oxidative phosphorylation leading to the net production of 32 ATP molecules. In anaerobic conditions, pyruvate converts to lactate through anaerobic glycolysis
The density of a white dwarf is
Answers
Answer:
The density of a white dwarf is 1 x 109 kg/m3.
Explanation:
A typical white dwarf is half as massive as the Sun, yet only slightly bigger than Earth. An Earth-sized white dwarf has a density of 1 x 109 kg/m3. Earth itself has an average density of only 5.4 x 103 kg/m3. That means a white dwarf is 200,000 times as dense.
1 x 10⁹ kg/m³ is the density of white dwarf. It is 200000 times denser than Earth. And it is the second densest object we know after neutron star.
mass extinction definition
Answers
Answer:
The extinction of a large number of species within a relatively short period of geological time, thought to be due to factors such as a catastrophic global event or widespread environmental change that occurs too rapidly for most species to adapt.
Explanation:
Hope this is helpful.
What is the entire object shown in the image?
Answers
Herbicides are chemicals that kill plants by interrupting important biological processes. Different herbicides affect different plant processes. The herbicide atrazine prevents the chemical reactions that use energy from sunlight.
A plant is sprayed with atrazine.
Exposure to atrazine causes an immediate decrease in the production of two substances in plant. Select the substance.
A. DNA
B. Carbon dioxide
C. Oxygen
D. Phospholipids
Answers
Answer:
oxygen because that's one of the substance that plants produce.
You can also do this by the process of elimination. Knowing that atrazine impedes the production of substances in plants, we know that it can't be DNA and Phospholipid. Carbon Dioxide is used by plant, not produced; thus, oxygen is the answer.
A herbicide is a type of pesticide that is used for controlling the weeds so that the plants can get nourishment. They are common weed killers used to clear taw waste groups and constructional areas.
These herbicides are used for different plants and prevents the chemical reaction that makes use of energy. The plants are sprayed with the chemical called atrazine which is used to decrease the production of oxygen.Hence the option C is correct.
Learn more about the kill plants by interrupting important biological.
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Scientists compare fossils of extinct organisms to modern organisms. Fossils show that:
A. Modern organisms have not changed from their ancestors
B. Modern organisms and extinct organisms are not related
C. All of the answer choices are correct
D. Extinct organisms have homologous structures with modern organisms
Answers
D. Sinh vật tuyệt chủng có cấu trúc tương đồng với sinh vật hiện đại
Mã di truyền có tính phổ biến
During reduction, PGA reacts with ATP and NADPH. What does ATP contribute to the reaction?
carbon
Answers
Answer:
During reduction, 3-PGA reacts with ATP and NADPH. What does ATP contribute to the reaction? ... The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH and CO2. In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen.
Explanation:
correct me if I'm wrong
carry on learning!;)
Write the equation for cellular. Plz help!!!!
Answers
Answer:
C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP
Explanation:THANK ME LATER
A book is sliding along a desktop. Because the book is in motion, you know that the forces acting on the book are ______? What is the force acting against the book?
Answers
Answer:
Normal force, gravity and Friction.
Explanation:
The forces acting on the book are normal formal force which act or exerts by the table on the book while on the other hand, gravity is a force that acts in the downward direction. Friction is the force that acts against the motion of the book and is responsible for lowering speed of the book that is sliding on the surface of the table. If the friction is low between the book and table then the book moves easily on the surface.
Knowing that the lava from the ring of fire has
lots of silica in it, name ONE extrusive Igneous
rock that you may find near the ring of fire.
Please help this is due today
Answers
Answer: Granite
Explanation:
hope it helps
When a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell. As a result of this, that cell will Group of answer choices undergo cell division. recycle damaged organelles. produce replacement lysosomes. undergo self-digestion and die.
Answers
Answer:
The correct answer is - undergo self-digestion and die.
Explanation:
Lysosomes are cell organelle that is membrane-bound and has digestive enzymes in them. These cell organelle help in digesting cells that are worn out, ruptured cells deprived of oxygen by bursting themselves.
Its bursting nature also helps in digesting and killing antigens and microbes. It is a very essential cell organelle that helps in digesting and killing damage cell parts or cells.
When a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell, the cell will undergo self-digestion and die.
Explanation:
Lysosomes are cell organelles that are membrane-bound and contains digestive enzymes. These cell organelle help in breaking down cellular waste. When the cell is deprived of oxygen they burst themselves and release their content. It is a very essential cell organelle that helps in digesting and killing damaged cell parts, microbes, antigens, or cells.So, from this we can conclude that when a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell, the cell will undergo self-digestion and die.
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1. Members of a Boy Scouts troop were advised by their leader to take water with them on their hike into the mountains. One boy decided to drink a large quantity of water before leaving on the hike. Explain how his body functions to deal with the excess water.
2. Explain why the composition of urine produced would differ in someone who drank a lot of water compared to someone who had no water for over 24 hours.
Answers
oxygen transport in humans involves the bonding of oxygen with
A : white blood cells
b :platelets
C :Hormones
D Hemoglobin molecules
Answers
Answer:
i think it's d. hemoglobin molecules
Oxygen transport in humans involves the bonding of oxygen with hemoglobin molecules. Therefore, option (D) is correct.
Human oxygen transport is essential for delivering oxygen, a key gas needed for cellular respiration, to all tissues and organs. Haemoglobin molecules in red blood cells deliver oxygen.
Oxygen diffuses into the bloodstream and meets haemoglobin in the lungs. Oxyhemoglobin is formed when haemoglobin binds to oxygen molecules. Oxygen partial pressure and other factors affect reversible binding.
The heart pumps oxygenated blood via the circulatory system to tissues and organs. Oxyhemoglobin releases its oxygen, allowing cells to use it in cellular respiration to make energy. The mechanism efficiently supplies oxygen for metabolic needs. Life and physiological activities depend on this mechanism. Therefore, option (D) is correct.
Learn more about Hemoglobin, here;
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List and describe 4 features of the ocean floor
Answers
Answer:
Humans beings haven't touched the ocean floor.but the features is -The deep ocean is dark, very cold and has tremendous pressure from the overlying water.Scuba divers can explore only to about 40 meters, while most submarines dive only to about 500 meters. Scientific research submersibles have explored the ocean’s deepest trenches, but most are designed to reach only the ocean floor.Today much of our exploration of the oceans happens using sonar and remotely operated vehicles.Features of the ocean include the continental shelf, slope, and rise. The ocean floor is called the abyssal plain. Below the ocean floor, there are a few small deeper areas called trenches. Features rising up from the ocean floor include seamounts, volcanic islands and the mid-oceanic ridges and rises.Can someone help please?
Explain how the adaptive changes in coat-color genes allowed mice to travel under the radar of hungry predators.
Answers
Answer:
This:
Explanation:
These adaptive changes help in ways best seen between desert mice and those who live in darker habitats. While desert mice often developed extremely light colored coats to blend best with the environment, mice who live in forest's or valleys often have darker coats to blend with foliage and trees. These coats that help camouflage with the environment protect mice in the open from being snatched by say a eagle or bird of prey. And mice who blend equally with foliage are protected more from ground predators like other small foxes or rodents
Select the correct answer. If pinecones are placed in water, they close up. But they open up in warm and dry conditions. How do pinecones benefit from this characteristic? choices in pic
Answers
Answer:
B: it protects the seeds from unfavorable conditions
Explanation:
While the pinecone is developing its seeds, it is vulnerable to wet conditions, which can cause rot.
Why do caves form in Sandy Glacier, but not in larger thicker glaciers?
Answers
Which of the following is attached to the transfer RNA (TRNA)? *
ribosome
RNA
codon
O amino acid
Answers
Answer:
One end of the tRNA binds to a specific amino acid (amino acid attachment site) and the other end has an anticodon that will bind to an mRNA codon.
Explanation:
What part of the body is not working as it should when you have diabetes
Answers
Answer:
blood vessels
Explanation:
Each type of diabetes involves the pancreas not functioning properly. The way in which the pancreas doesn't function properly differs depending on the type. No matter what type of diabetes you have, it requires ongoing monitoring of blood glucose levels so you can take the appropriate action.
Answer:Liver / kidneys/ heart are mainly affected but all your organs are affected. Explanation: Both type one and two do damage to organs over time from lack of nutreints. Or an overload of sugar.
Which component is releases from the active site of an enzyme during a chemical reaction
Answers
hi so i just received a death threat from +592 6034153,can someone pls help me find the identity of this person and pls put a pic of the person.
Answers
Answer:
below
Explanation:
you can report this to the cops or a older authority. Posting a picture is a form of doxxing and can be illegal or a form of witchhunting.
How does ocean expansion occur?
Answers
Answer:
Global sea level has been rising over the past century, and the rate has increased in recent decades. ... The two major causes of global sea level rise are thermal expansion caused by warming of the ocean (since water expands as it warms) and increased melting of land-based ice, such as glaciers and ice sheets.
Explanation:
Hope this helps
3. The absorptive effectiveness of the small intestine is enhanced by increasing the
surface area by
A villi.
C. digestive juices
B. enzymes.
D. elasticity of intestine,
Answers
Answer:
A villi.
Explanation:
Small intestines have finger-like extensions that basically increase the surface area for nutrients to attach and get transported inside the bloodstream or cells.
Answer:
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