Impersonating, hacking someone’s account and pretending to be them is called impersonation
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.
The first three. Multiple escapes, a safe meeting place, and practice
<em>Answer: </em>
<em>The respiratory system provides oxygen to body tissues for cellular respiration, removes the waste Respiration is assessed for quality, rhythm, and rate. Major functions are to provide an adequate oxygen (O2) ... It is important to differentiate between the effect changes in rate and tidal volume have </em>
Explanation:
<em>Hopes this helps! :)</em>
Do not wear a helmet when riding a bike.
