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8 Cards in this Set
- Front
- Back
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Muscle tissue is what % of body mass? |
Nearly half |
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Where is smooth muscle found? |
In walls of hollow organs (stomach, urinary bladder, and airways). |
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Four characteristics of muscle tissue... |
Excitability: (receive and respond to stimuli) Contractility: ability to shorten when stimulated Extensibility: ability to be stretched Elasticity: ability to recoil to resting length |
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Four functions of muscles |
Movement of bones or fluids Maintaining posture and body position Stabilizing joints heat generation (especially skeletal muscle) |
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Additional functions of muscles |
Protects organs, forms valves, controls pupil size, causes goosebumps. |
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How many arteries, nerves, and veins serve each muscle? |
One (or more for veins) |
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Due to huge oxygen and nutrient needs, skeletal muscles generate a large amount of... |
Due to huge oxygen and nutrient needs, skeletal muscles generate a large amount of waste. |
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The skeletal muscle connective tissues in order from external to internal |
Epimysium: surrounds entire muscle Perimysium: surrounds fascicles (groups of muscle tissues) Endomysium: Surrounds each muscle fiber |
