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It doesn't ! It simply transports the oxygen we breathe to all parts of our bodies.
when oxygen enters the blood stream it may be absorbed by cells. It then is used to carry waste carbon from a chemical inside the cells that is split into water and releases energy.
seriously?
because our muscles need oxygen to function effectively.
blood carries oxygen to muscles
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What two things do muscles need?
nutrition and oxygen
Do muscles need oxygen to move?
Yes
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 your bodies get warmed up what increases to the muscles that need it?
oxygen
Why do we become short of breath?
Your muscles use oxygen that's extracted from the air by the lungs and transported to the muscles by the blood. When you begin to move your muscles will need more oxygen, so you need to breathe faster in order for the lungs to be able to pick up more oxygen from the air.
Why does the heart beat faster when exerciseing?
As you exercise, the muscles need more oxygen to work. The heart beats faster to get the oxygenated blood from the lungs to the muscles. The harder you exercise, the more oxygen the muscles need, the faster the heart beats.
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.
Why do your pulse rate increase when you are running?
Your muscles need oxygen to work and oxygen is carried through the blood, propelled by the heart. When you run, you use muscles and your heart beats faster to increase the amount of oxygen reaching the muscles being used.
What do muscles need as well as oxygen?
broken down energy from food.
How does smoking effect your muscles?
it effects your muscles because if there is a shortage of oxygen in your body already, your muscles aren't getting the oxygen they need so they begin to become tired and cant work to the the best of their ability. for a sports performer this can be fatal because then they cant perform in their sport if their muscles can't. this is all because smoking has stopped them from getting the oxygen that they need.
Why do you breath very quickly after exercise?
Because when you work your muscles they need more oxygen, and to get more oxygen you need to breathe more often.
Why do muscles use less oxygen during exercise?
They should use more oxygen your muscles burn either sugar or fat, it doesnt need oxygen to burn sugar, but the by product of burning sigar is lactic acid or pruvic acid, anyway it makes your muscles ache. if you are exercising and breathing hard, then you are burning sugars. to burn fat your muscles need oxygen. The harder you work the more ogygen is required.
