Answer:
1. Electrical impulses in the heart cause the muscle to contract.
2. To keep the blood flowing in only one direction
Explanation:
In the first question, the correct answer is ''Electrical impulses in the heart cause the muscle to contract''. Every muscle in our body contracts because of electrical impulses and this is also true for our hearts. Or any hearts in nature that we know of.
In the second question, the answer is ''To keep the blood flowing in only one direction''. We have those valves and without them, we wouldn't be able to function as we do.
<span>They are all in the same group.
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Talk to Lauran and accompany her to see the school counselor if she feels uncomfortable going alone
Answer:
diet
Explanation:
your teaching your friend to eat healthy and the benefits that come from it.
