In its role as protection, water resists compression, allowing it to cushion joints and other parts of the body against shock. Which of the following best exemplifies this function?
A. The cushioning effect of water in the amniotic sac protects the fetus as it grows inside the uterus.
B. Water is cushioned as it delivers oxygen to the cells.
C. Water cushions swallowed food making it easier to pass down the esophagus.
