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Life Science Vocab
7th Grade Life Science Vocabulary Words
Term | Definition |
---|---|
Arthritis | A disease in which joints become irritated or inflamed such as when cartilage and joints are damaged or wears away |
Bruise | An injury where blood vessels in the skin are broken but the skin is not cut or open |
Cardiac Muscle | Muscle found only in the heart |
Cartilage | A strong flexible tissue that covers the end of Bones |
Dermis | A thick layer of skin that gives skin strength nourishment in flexibility |
Epidermis | The outermost layer of skin and the only layer in direct contact with the outside environment |
Integument System | The body system that includes all the external coverings of the body including the skin hair and nails |
Involuntary Muscle | Muscle you cannot consciously control |
Joint | Where two or more bones meet |
Ligament | The tissue that connects bones to other bones |
Melanin | A pigment that protects the body by absorbing some of the sun's damaging ultraviolet rays |
Muscle | Strong body tissue that can contract in an orderly way |
Osteoporosis | A bone disease that causes bones to weaken and become brittle |
Periosteum | A membrane that surrounds bone |
Skeletal Muscle | A type of muscle that attaches to bone |
Skeletal System | Body system that contains bones as well as other structures that connect and protect the bones and that support other functions in the body |
Smooth Muscle | Involuntary muscle named for its smooth appearance |
Voluntary Muscle | Muscle you can consciously control |