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Muscles In The Human Body
Part 1 of Paper
....m and support, and protects the body while allowing it to move. Basically, the muscles in this system perform three important body functions: the movement of body parts, maintenance of body parts, and production of body heat.
These muscles all consist of a mass of protein fibers grouped together, and most are of mesod.... Part 2 of Paper
....otein filaments. These filaments can be either thick or thin. The thick filaments are made of the protein myosin, and the thin filaments are made of the protein actin. The arrangement of the myosin and actin gives skeletal muscle its striated (or striped) appearance.
Each section of a myofibril is called a sarcomere, and is the functional unit of muscle.
How muscles contract is directly related to their structure. The sliding filament theory is an explanation of how muscle contractions occur. .... |
| Number of words: 859 - Approximate pages: 4 |
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