The human body is made up of interconnected systems, such as the skeletal, muscular, cardiovascular, respiratory, digestive, and nervous systems, which perform specific functions. Organs are ...

The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments in the body. Altogether, the skeleton makes up about 20 percent of a person’s body weight. An adult’s ...

Each organ in your body’s 11 organ systems work so you can perform activities like breathing, digestion, and movement. Different organs can work together to perform a common function, like how ...