Term
| What do the smooth muscles control? |
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Definition
| digestive system and other organs |
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Term
| what do the skeletal muscles control? What is it aka? |
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Definition
| movement of the body in relation to the environment; aka striate |
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Term
| what do the cardiac muscles control? |
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Definition
| heart muscles; properites intermediate b/w those of smooth and skeletal muscles |
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Term
| Vertebrate muscles fall into 3 categories that are: |
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Definition
| Smooth, skeletal and cardiac muscles |
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Term
| neuromuscular junction is a |
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Definition
| synapse where a motor neuron axon meets a muscle fiber. |
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Term
| What are antagonistic muscles |
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Definition
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Term
| The _____ muscle raises the muscle and the ____ muscle straightens it |
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Definition
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Term
| Skeletal muscle axons release _______ at the neuromuscular junction |
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Definition
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Term
| Any deficit of ________ or its receptors in the muscles can greatly impair movement. |
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Definition
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Term
| What autoimmune disease attacks the acetylcholine recepters at the neuromuscular junctions? What does this cause? |
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Definition
| acetylcholine; causes progressive weakness and rapid fatigue of the skeletal muscles. |
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Term
| identify the 3 types of fish muscles and describe their properties. |
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Definition
Red-produce the slowest movements but not vulnerable to fatigue.
White-produce the fastest movments but fatigue rapidly.
Pink-intermediate in both speed and susceptibility to fatigue. |
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Term
| what of their 3 muscles do fish use in high and low temperatures |
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Definition
high=red and pink
low=white |
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Term
| Are humans muscles like fish? Why? |
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Definition
| fish have bundles of separate types of fibers. Human fibers are all mixed together |
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Term
| What is the difference between fast twitch fibers and slow twitch fibers |
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Definition
| Fast produce fast contractions but fatigue. Slow have slower contractions but don't fatigue |
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