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process by which organisms maintain a relatively stable internal environment

Skeletal system

the hard structure (bones and cartilages) that provides a frame for the body of an animal

Muscular system

the organ system whose primary function is movement and flexibility


internal skeleton or supporting framework in an animal

Spongy bone

Layer of Bone tissue having many small spaces and found just inside the layer of compact bone

Cardiac muscle

involuntary muscle found only in the heart


the fatty network of connective tissue that fills the cavities of bones

Compact bone

Hard, dense bone tissue that is beneath the outer membrane of a bone

Skeletal muscle

a muscle that is connected at either or both ends to a bone and so move parts of the skeleton


strong connective tissue that holds bones together in movable joints


strong connective tissue that attaches muscle to bone


(anatomy) the point of connection between two bones or elements of a skeleton (especially if the articulation allows motion)

Smooth muscle

Involuntary, non striated muscle that controls movement of internal organs

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