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Adrenalin is released by the body - to trigger the heart to beat faster.

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Q: How is the heart rate sped up when the body requires more oxygen and glucose?
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What kind of nutrient does the heart muscle prefer?

The heart pumps all of the nutrients around the body for the body to use. This is generally glucose (sugars), proteins, oxygen and any waste chemicals produced by the body.


How does the heart and lungs and small intestine work together to transport food ang glucose around the body?

the heart pumps blood around the body containing oxygen form the lungs and glucose from the intestine ... i think


Why does you heart sometimes need to work harder?

Your heart may need to work harder when your body requires more oxygen. For instance, if you are exercising, your heart rate increases to keep up with the muscles' oxygen requirements.


What system moves glucose oxygen and carbon dioxide around the body?

Which organ system takes oxygen and glucose around the bodyhyfbhgh


Where duse the body get its energy from?

glucose and oxygen


Why is oxygen so critical to heart muscle?

Oxygen plays many roles in the metabolic pathways that support contracture of the heart's cardiac muscle tissue. The heart muscle is the only muscle in the body which is always working. It cannot stop and rest, because the body requires a constant circulation of blood, to supply the tissues of the body with oxygen and nutrients. The brain can only survive for 3 minutes without oxygen. So since the heart must constantly work, it requires a constant supply of oxygenated blood. Without it, the heart would not have the energy it requires to do its work, and would stop.


What other system does the respiratory system work with to help the circulatory system bring oxygen and glucose to the body cells?

My expert says the heart.


Why is there an initial rapid increase in respiration rate during exercise?

Your body requires more oxygen when it's performing exercise, and as a result, you will take more breaths per minute to satisfy the increased oxygen demands. Oxygen is needed to efficiently convert glucose to ATP (your body's cellular energy source), and exercise certainly requires added energy.


How is respiration related to nutrition?

respiration requires glucose to occur where there the combining of glucose with oxygen to produce energy which is used by the body in many processes for example in digestion. but for a person to have enough energy it needs someone to be well nutrited


Why is it necessary for the heart to beat faster when doing physical activity?

The body requires more oxygen during physical activity. Blood carries oxygen to the muscles and organs. The heart moves the blood. So the heart beats faster to move the oxygen-carrying blood to the muscles.


How does the circulatory system delivers oxygen and glucose to tissues?

blood provides oxygen to the body


What substance carries oxygen and glucose throughout the body?

Blood.