Answer:
Gas exchange between tissues and the blood is an essential function of the circulatory. The air contains oxygen that crosses the lung tissue, enters the bloodstream, and the alveoli are in direct contact with capillaries of the circulatory system. As water flows over the gills, oxygen is transferred to blood via the veins.
Explanation:
Passive transport permits the transported molecule to move in either direction, but the majority of transport occurs down the concentration gradient of the molecule.
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Animals that live in herds like elphants have a clumped dispersion pattern because of
<span>heat and limited water resources</span>
There are several features of permanent insurance is that it includes an investment component. With life insurance, a person can receive cash after a certain amount of time. The correct answer is B.
