1. explain the function of the heart in the circulatory system?
2. describe the function of the lungs in the circulatory system?
3. why do you think it would be very dangerous to lose a quart of blood in an accident?
( explain all in a short form if you can)
ttt
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Ответ:
2. i think the lungs trade CO2 for O2
3. they would go into hypothermic shock or something:p
Ответ:
2. Arterial blood (red, oxygen-rich blood) flows from the heart to each part of the body to provide oxygen and nutrients. The venous blood (blue, oxygen-poor blood) returns from the body to the heart. The blood then travels through the lungs to exchange carbon dioxide for new oxygen.
Ответ:
The study of 2 organisms is called binomial nomenclature