Plant cells have a rectangular shape and a cell wall, while animal cells have a circular shape and no cell wall
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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Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface.
