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.
I believe that there’s two main reasons- an internal problem or an external problem.
Internal meaning that the person themself is shy and doesn’t have the courage to ask another
External meaning it’s the person they are asking, they could possibly be rude or something like that
Act calm, and don't over think the conflict unless it's really bad (cheating). Try to get your differences together, without war/violence. Or "proving who is better/has a better argument".
Answer:
In my opinion i think fevers are helpful because when we are feeling bad we can test our temperature with a thermometer. Also fevers turn on the body's immune system. So therefore they help the body fight infection.
Explanation:
Regular visits to the dentist should be scheduled every... (B. Six Months)
