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Muscular System
Term | Definition |
---|---|
What is the main function of the muscular system? | Movement |
What does the muscles also do? | They create heat as they contract helping to maintain a constant body temperature. |
What are the three types of muscle tissue.? | Skeletal, Cardiac and Smooth muscles. |
How many skeletal muscles are in the body? | Approximately 650. |
Skeletal muscles appear to be what under a microscope? | They are striated. |
Skeletal muscles are attached to bones by what? | By tendons. |
What are tendons made up of? | Extremely tough collagen fibers in the form of dense regular connective tissue. |
What does involuntarily mean? | It means that a person cannot control when they contract. |
What are intercalated disks? | Areas where cells interlock to form very tight bonds. |
Where is smooth muscle found? | They are found within the organs and are the weakest of the muscle tissues. |