Answer:
Hyponatremia is the low sodium level in a person's blood.
It pumps the blood through blood vessels
Answer:
<h3>Good personal hygiene is one of the best ways to protect yourself from getting gastro or infectious diseases such as , colds and flu</h3><h3>Maintaining good personal hygiene will also help prevent you from spreading diseases to other people</h3>
A group of cells that performs<span> a similar </span>function<span> is known as a tissue. Multicellular organisms such as animals all contain differentiated </span>cells<span> that have adapted to </span>perform<span> specific </span>functions<span>. These differentiated </span>cells group<span> together to form tissues.</span>
If you aren't checking yourself then you may have a problem. For example you could have testicular cancer and you wouldn't know without feeling an unusual bump in that area.
