Answer:
I believe the answer is "C. When your cells need more oxygen."
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Your outer skin is your epidermis, so just look at your arm
The ability of a person's cardiovascular system to compensate for blood loss is most related to how rapidly he or she bleeds.
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what is cardiovascular system made up of?</h3>
Your cardiovascular system, which consists of your heart and blood arteries, is an essential component of your body. When your cardiovascular system is functioning properly, your cells receive a constant supply of oxygen and nutrients from your blood. Carbon dioxide and other waste are also removed via blood vessels. You have the ability to maintain your heart and blood vessels healthy. Eating healthy foods, exercising, keeping your blood pressure and cholesterol under control, and quitting smoking are all beneficial to your cardiovascular system. Request assistance from your provider in achieving heart health.
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learn more about cardiovascular system refer:
brainly.com/question/946975
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In all types of chemical reactions, bonds are broken and reassembled to form new products. However, in exothermic, endothermic, and all chemical reactions, it takes energy to break the existing chemical bonds and energy is released when the new bonds form.
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