The correct answer is B.
People over the age of 65 should be as physically active as their health and bodies allow. Everyone ages differently and some will be more able to do higher intensity exercise while others will be able to do low or moderate. Completely depends on the person.
Dermis I believe is responsible
Answer:
medical : of or relating to the veins, arteries, etc., that carry fluids (such as blood) through the body.
Explanation:
medical : of or relating to the veins, arteries, etc., that carry fluids (such as blood) through the body.The word vascular comes from the Latin vascularis, "of or pertaining to vessels or tubes."
In the lungs, oxygen is put into the blood and carbon dioxide is taken out of the blood during the process of breathing. After the blood gets oxygen in the lungs, it is called oxygen-rich blood.
