The ear canal a ear drum normally contain fluid
Cell membranes are mostly made up of lipids (fats)
The muscular system is responsible for the movement of the human body. Attached to the bones of the skeletal system are about 700 named muscles that make up roughly half of a person's body weight. Each of these muscles is a discrete organ constructed of skeletal muscle tissue, blood vessels, tendons, and nerves.
Left to right away from the higher concentration of salt. Fluids try to be in balance, with equal distribution of what’s dissolved in them.
