Answer:
A. Blood is pushed through vessels
Explanation:
Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.
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The answer is b. False.
Smog is named for the mixture of smoke and fog. It is an air pollutant. It is able to affect human health and environment, as well. Smog affects plant by inhibiting photosynthesis which leads to reduced growth, reproduction, and survival of the plants. It can make them more susceptible to disease or to cause drying out.
Answer:
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate
Explanation:
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