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Bones and Muscles
Transcript of Bones and Muscles
The triceps are muscles the extend the elbow. They reside on the back side of the upper arm and when they contract, it straightens the arm thus extending the elbow joint. They also have medial and lateral heads.
Skeleton System all the bones in the body; forms an internal, living framework, that proides shape and support, protects internal organs, moves bones, forms blood cells, and stores calcium and phosporous compounds for later use
Periosteumtough, tight fitting membrane that covers a bone's surface and contains blood vessels that transport nutrients into the bone
Cartilage tough, flexible tissue that joins vertebrae and makes up or part of the vertebrae endoskeleton, in humans thick, smooth, flexible and slippery tissue layer that covers the ends of the bones, makes movement easier by reducing fritcio, and absorbing shock
Ligament tough band of tissue that holds bones together at joints
organ that can relax, contract, and provide the force to move bones and body parts
muscle, such as leg or arm muscle, that can be consciously controlled
Involuntary Musclemuscle, such as heart muscle, that cannot be consiously controlled
thick band of tissue that attaches bones to muscle
Striated, involuntary muscle found only in the heart
Smooth Muscleinvoluntary, nonstriated, muscle that controls movement of internal organs
Epidermisout, thickest, skin layer that constantly produces new cells to replace the dead cells rubbed of its surface
skin layer below the epidermis that contains blood vessles, nerves, oil and sweat glands, and other structures
pigment produced by the epiderms that protects skin from sun damage and gives skin and eyes their color