Question

Q1 what is peristalsis?
Q2 what is the function of diaphragm?​

Answer 1

Explanation:

The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges

Answer 2

Answer:

Q1.Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach. There, the food is churned into a liquid mixture called chyme that moves into the small intestine where peristalsis continues.

Stretching out a piece of intestine will make it easier to see the wave-like motion. The motion mixes and shifts the chyme back and forth. This lets the bloodstream absorb nutrients through the walls of the small intestine.

In the large intestine peristalsis helps water from undigested food be absorbed into the blood stream. Then, the remaining waste products are excreted through the rectum and anus.

Q2.The diaphragm plays an integral role in respiration (breathing). Most of the time, the diaphragm moves involuntarily.

Your thoracic diaphragm also plays a role in helping the movement of muscles during childbirth, having a bowel movement, urinating, and lifting heavy objects. This muscle also helps maintain the flow of lymphatic fluid throughout the body.