The role of plaque formation in the arteries during heart disease development are the causes of heart attacks. Cholesterol plaques form through the process of "atherosclerosis" or also known as the hardening of the arteries. Plaques develop in the wall of the arteries, which results to blocked arteries, which results less blood flow or blood does not even flow through the blocked artery or arteries.
When you're running long, you're developing greater aerobic endurance so your body doesn't have to work as hard to attain the same performance level next time. The long runs strengthen your heart and open your capillaries, sending energy to working muscles and flushing waste products from fatigued muscles. So its D
The pancreas is both an endocrine and exocrine gland.
Excerpt for SMALL INTESTINE, all of the following are considered accessory organs.