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RESPIRATION, CIRCULATION, HOMEOSTASIS AND EXCRETION GRADE 7 CYPRESS, A…
RESPIRATION, CIRCULATION, HOMEOSTASIS AND EXCRETION GRADE 7 CYPRESS
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Sahana
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Your body has a circulatory system in which your heart, a cardiac muscle, pumps blood around the body. Blood can circulate around the body in less than a minute. Our heart has 4 chambers called right and left atria, and left ventricle and right ventricle. -Sahana S
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Bevan
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Excretion is the removal of waste products like sweat, carbon dioxide and urine. This is not the same as egestion. Bevan
the energy comes from your food during respiration this can also be called internal respiration BHUVANESHWARI
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