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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.
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.
The immediate effects of exercise on the Diaphragm and intercostals?
The diaphragm and the intercostals are muscles that help breathing. When you excerise they work harder because it is harder to breathe.
What do muscle need to order to work?
muscles need food and oxegen to work
How and why does your heart rate speed up when you do excises?
Obvious answer your heart and your muscles need plenty of oxygen and if you don't have enough oxygen, your heart needs to work harder so you don't die.
Why must muscles work together?
Muscles must work together because you need to move your body.
Your aieee rank is 700000 and state rank is 24150 which college ll you get?
you need work harder, harder, harder.
How does skeletal muscle change during exercise?
Once you start to exercise, your body has to make sure that the muscles that are now working much harder receive the oxygen and fuel they need to keep contracting. The various body systems must begin to work faster and harder to meet this extra demand. The muscles start to work harder, requiring more oxygen and producing more carbon dioxide, which needs to be removed
What is the definition of Muscles that are forced to work harder generally increase in size?
The technical term for this is hypertrophy. It is the opposite of atrophy.
Is harder an adverb?
It can be either an adverb or an adjective: In "you need to work harder", it is an adverb. But in "I wanted to do the harder tasks first", it is an adjective.
When you start running or exercising what happens to your breathing?
(My guess is that) When you're running your muscles have to work harder, so the muscles in your heart start to work faster & pumping more blood. But you're breathing isn't exactly a muscle so you start to breathe harder trying to catch up with the rest of your body.
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.
