Muscular system
From Free net encyclopedia
The muscular system is the biological system of animals (including humans) that allows them to move internally and externally. The muscular system in vertebrates consists of three different types of muscles: cardiac, skeletal and smooth. Cardiac muscle is a striated muscle that makes up the heart. It is the only type of muscle consisting of branching fibers. Skeletal muscle consists of voluntary muscles attached to the frame of the skeletal system enabling bodily movement. Smooth muscle is the involuntary muscle that enables the movement of internal organs. Movement of most muscles is controlled through the nervous system, although some muscles (such as cardiac muscle) can be completely autonomous.
There are about 70,000 muscles in the human body; see List of muscles of the human body.
| Muscular system - edit |
|---|
| Muscular tissue | Muscle contraction | Muscles of the human body |
| Muscular types |
| Cardiac muscle | Skeletal muscle | Smooth muscle |
| Human organ systems - edit |
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| Cardiovascular system | Digestive system | Endocrine system | Immune system | Integumentary system | Lymphatic system | Muscular system | Nervous system | Skeletal system | Reproductive system | Respiratory system | Urinary system |
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