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NUTRITION (1· respiratory system (the parts of the respiratory system are.…
NUTRITION
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5· blood circulation
sistemic circulation
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in the capillaries, gas exchange occurs: the blood takes in oxigen and relases co2
the right ventrical contracts, and pumps blood throught the pulmonary arteries
The returning blood passes from the capillaries to the pulmonari veins, wich take blood to the left atrium of the heart
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pumonary circulation
in the small intestine, blood piks up nutriens throught absorption
in the capillaries, blood releases oxigen and nutrients, and collects carbon dioxide and waste substances
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in the kidneys, blood is filtred to rerelease waste substances
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