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when they used, or excisedd
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∙ 12y ago
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Why does heart rate increases?
because you need more oxygen to be delivered to the muscle and more waste to the lungs. when you are exercising your muscles need oxygen so the blood stars pumping faster to get the oxygen to the muscles.
When is food and oxygen sent into the muscles?
When its needed (when its used up).
What do muscles need as well as oxygen?
broken down energy from food.
How do your muscles continue to get energy when you lack oxygen?
by eating good food and rest.
Do muscles need oxygen to work?
Yes, cardiac muscles cells have a very high oxygen demand, since they are constantly in motion. This is why any shortage of oxygen causes angina, or if the oxygen deprivation is long enough, it causes death of the muscle cells - what is commonly called a heart attack.
The more oxygen the muscles receive the more energy you have true or false?
False, while you need oxygen to release the energy in muscles (to move), once there is enough oxygen, adding more does not create more energy. The energy comes form the food you eat, not the oxygen used to burn it.
Does the vessels carry oxygen to the muscles?
Arteries carry oxygen to the muscles of the body.
What 2 substances need To be supplied to muscles constantly during exercise?
Organs oxygen Food Water Energy
What makes us slow down when we have done a couple of laps?
As we exercise we burn food faster. This needs the supply of oxygen to the muscles. There is a limit to how fast it can be delivered so we turn to anaerobic respiration, which results in the build up of lactic acid. This makes the muscle tired.
How does the cardiovascular system affect the skeletonmusclar system?
The cardiovascular system sends oxygen to the muscles.
What two things do muscles need?
nutrition and oxygen
Does the circulatory system bring food and oxygen to the veins?
No. The circulatory system consists of the veins and arteries. They are the way food and oxygen are transported around the body. They take food and oxygen to muscles and organs
