The function of the digestive system is to C. To break down food into nutrients.
Its called homeostasis, the regulation in temperature which can be exhibited thorugh sweating, panting, etc. It helps taking the heat out and all body waste away to regulate the temperature inside an organisms body.
Cardiac muscle cells get all the oxygen they need from the coronary arteries. They do not gather oxygen from the blood flowing inside them but from the blood as received from the coronary arteries. Hope this answers the question. Have a nice day.
Answer:
Correct answer down below in image
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