What is the percentage composition of water?

Water makes up about 70 percent of the human body. The water content in the body of male is more than that in the body of female, and the water content in the body of young people is more than that in the elderly. The water content in the body of newborn is about 70%~75% shui. The amount of water in human tissues is also different: about 10 percent of the water in bone and cartilage; Water in fat accounts for about 20%~35% of total fat; The distribution of water in muscles has reached up to about 70% of the total muscle mass. In the blood plasma, except 6%~8% of plasma proteins, 0.1% of glucose and 0.9% of inorganic salts, the rest are all water, accounting for about 91%~92% of the total plasma.

Explanation:

it can be icreased by increasing pressure.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.