1.how does oxygenated blood circulate in our body?
2.how does deoxygenated blood circulate in our body?
3.how are the functions of the respiratory and the circulatory systems related?
2.how does deoxygenated blood circulate in our body?
3.how are the functions of the respiratory and the circulatory systems related?
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1.Blood comes into the right atrium from the body, moves into the right ventricle and is pushed into the pulmonary arteries in the lungs.
2.Deoxygenated blood from the lower half of the body enters the heart from the inferior vena cava while deoxygenated blood from the upper body is delivered to the heart via the superior vena cava.
3.The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body.