Is pooping normal for eighty year old?

What happens when pressure in the chest cavity becomes greater than atmospherics pressure? What does a high prostate-specific antigen score mean? What will happen if the lungs injected with air through syringe? What is Adipose tissue to the skin? What does the comea do in your eye? What system partners with the cardiovascular system by returning fluid to the body? Blind people can walk? Is your death near? What substance that contains live or killed microorganisms to produce immunity to a disease? Why and when are men recommended to see the doctor for prostate cancer? What causes hang nails? What is the name of muscle separating upper body and lower? What is New castle disease? Is the biceps femoris a hamstring muscle? Why period comes in women? How do they make susceptible to communicable diseases? Which neurotransmitter is released into the heart by the vagus nerves that slow the heart? Can a non striated muscle cell be seen? Itching? Which brain cells are found at the site of injury?