Answer:
<h2>A. Keeping a body healthy from disease</h2>
Answer:
B
viscosity of blood causes an increased resistance in the blood vessels and
leads to slow blood flow
Explanation:
Viscosity refers to the thickness of blood. This thickness is caused by the number of red
blood cells. Thick blood travels through blood vessels at a slower rate than thin blood
<u>Answer:</u>
<em>Mitochondria appear in the greatest numbers in cells that are</em><em> </em><em><u>Muscle cell.</u></em>
<u>Explanation:</u>
Mitochondrion is the power house of the cells. It releases the energy need for the cells. So mitochondrion is found in large number in muscle cell because muscles are the component of our body that needs large amount of energy.
Muscles need to be frequently moved in our body so large number of mitochondria helps in providing the enough energy for the proper muscle movement.
