Blood flow is greater when you exercise because the blood vessels in your muscles dilate. Imagine water flowing through a fire hose compared to a garden hose.
A cell wall is in a plant cell. A cell membrane is in an animal cell.
The answer is option B "They contain many carbon atoms." Proteins are considered organic molecules because they are made up of carbon atoms. Proteins give your body energy and allows your body to run the way it does. Proteins also aren't considered organic molecules because they are small, because they are not used by living things, or because they contain nitrogen.
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Answer:
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The life span of a Visayan deer is 25 years
