Cells are what keep you going and they are very important for our health and our immune system. the ones that help your immune system are called white blood cells, they fight off germs and sickness and it is a good and bad sign if you have alot of white blood cells
Answer: electrocardiogram
Explanation:
The electrocardiogram measures the rhythm, rate and frequency of beats of the heart.
C. moving food through the body and transporting air through the body
Answer:
You require goggles,masks,and gloves whilst dealing with chemicals, you also require masks,gloves, and a coat while operating a surgery in order to avoid getting sick by any diseases or such, another activity that requires safety equipment is constructing, if a brick or something hard were to fall on your head you'd have a helmet to protect you.The fourth activity I could say requires safety equipment is rock climbing it's the same principal as you would not want to injure yourself.
<em>Mark as brainliest if you please.</em>
Explanation:
