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Oxygen
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∙ 15y ago
Dlani John Jules
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Why do muscles need more energy when you exercise?
When you exercise you use your muscles and your muscles contain Glycogen which could be considered your "energy source". during exercise your muscles use glycogen depleting your energy levels making you feel tired.
Which are you more likely to get cramps anaerobic or aerobic?
You are more likely to get cramps during anaerobic exercise than during aerobic exercise. This is because your muscles are lacking oxygen.
Type of fermentation that occurs in muscle during rapid exercise?
Type of fermentation that occurs in muscles during rapid exercise? Answer: lactic acid fermentation
During exercise a lot more blood is distributed to the working muscles how is this achived?
heart pumps faster.
Does the stomach gets more blood during exercise?
No, the stomach and intestines get LESS blood during exercise. The blood is needed in the muscles being used and is shunted there instead of digestive organs
Why does heart beat increase during exercise?
Because the heart has to pump more oxygen than usual to your muscles
What happens to the cardiovascular system immediately during exercise?
the heart increases in rythm and pumps more blood to the muscles
What happens to the pH in exercising muscles?
When exercising the pH in the muscles becomes more basic. This is because an increase in temperature in the muscles during exercise reduces the attraction pf haemoglobin with oxygen.
What does it mean when your muscles dilate?
During exercise your muscles need more energy from respiration in order to contract. So your heart beats faster and the arteries supplying the muscles dilate (widen)
Why does blood pressure increase during exercise?
As we exercise, we use our muscles. Our muscles need oxygen to function. Therefore, the more we exercise, or the harder we exercise, the more oxygen we need. In order for our muscles to get that extra oxygen, we need to breathe more. The oxygen then enters our blood and our hearts beat stronger and faster in order for the oxygen to reach the muscles as quickly as possible, thus why our blood pressure increases.
Why does or muscles need more blood during exercise?
When you exercise, you need to move a lot, so you'll need more blood to carry oxygen and do gas exchange to transfer energy.
Why during exercise your breathing goes fast?
Because your muscles are working more, therefore they need more oxygen to work. Thats why you breath more.
