Term
| Three types of muscle tissues |
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Definition
| Skeletal, cardiac, smooth |
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Term
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Definition
-Organs attached to bones and skin
-Elongated cells called muscle fibers
-Striated
-Voluntary
-Contract rapidly, tire easily, powerful
-Require nervous system stimulation |
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Term
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Definition
-Only in heart; bulk of heart walls
-Striated
-Can contract without nervous system stimulation
-Involuntary |
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Term
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Definition
-Only in heart; bulk of heart walls
-Striated
-Can contract without nervous system stimulation
-Involuntary |
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Term
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Definition
-In walls of hollow organs
-Not striated
-Can contract without nervous system stimulation
-Involuntary |
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Term
| Special characterstics of Muscle Tissues (4) |
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Definition
-Excitability: ability to receive and respond to stimuli
-Contractility: ability to shorten forcibly when stimulated
-Extensibility: ability to be stretched
-Elasticity: ability to recoil to resting length |
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Term
| Four important muscle functions |
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Definition
-movement of bones or fluids (blood)
-maintaining posture and body position
-stabilizing joints
-heat generation |
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