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PHS Ch 9
Academic Knowledge: Body Systems for Support and Movement
Term | Definition |
---|---|
appendicular skeleton | erm that describes the bones of the arms and legs, including the shoulder and hip bones where they are attached. |
axial skeleton | term that applies to the skull, spine, and rib cage, which rotate around an imaginary center line of the body. |
cardiac muscle | an involuntary, striated muscle tissue located in the walls of the heart. |
collagen | a protein fiber that connects, supports, and gives strength to body tissues such as the skin, muscle tendons, and bone ligaments. |
dermis | the middle layer of the skin, which contains most of the skin’s structures. |
epidermis | the thin, outer layer of the skin. |
hypodermis | the innermost layer of the skin, which stores fat. |
integumentary | related to the skin. |
ligament | tough, fibrous tissue that connects bones to other bones and holds organs in place. |
skeletal muscle | a voluntary, striated muscle that connects to bones and is responsible for movement. |
smooth muscle | an involuntary muscle located in the body’s visceral organs and blood vessels; also known as visceral muscle. |
tendon | a tough, fibrous tissue that connects muscles to bones. |