It would be the muscles because their contracting and forcing the blood back to the heart
Answer:
tissues
Explanation:
cells make up tissues,tissues make up organs,and organs make up organ systems
I think the correct answer from the choices listed above is option D. Simple diffusion is the cell transport that allows small molecules to move from an area of higher concentration to an area of lower concentration without energy being <span>required from the cell.</span>
Hello
When populations have differences in rituals or behaviors. When populations are separated by rivers, mountains, r bodies of water.
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Answer and Explanation:
Land - Lion
Water - Sealion
Flies - Bees
Lions have strong retractable jaws that help them eat their prey and that way they adapt to their enviroment.
The Sealion's thick, oily fur and a layer of blubber allow them to keep a high temperature in cold waters.
A Bees body carries an electrostatic charge that attracts pollen and that way they can keep it in them.
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