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Zool 325: Muscles
Musculature System
| Question | Answer |
|---|---|
| List 4 functions of muscle | Force for movement, shape body, produce heat, produce electric fields |
| List 5 ways of classifying muscle | Colour, location, nervous control, microscopic appearance, embryonic origin |
| List 4 properties of tonic muscle | slow contraction, multiple axons, graded contraction, maintain tension efficiently |
| List 4 properties of twitch fibres | fast contraction (locomotor muscles), slow contraction (postural muscles), single axon, all or none contractions |
| Properties of somatic muscle | striated, skeletal, involuntary, segmented,from myotome, voluntary, used for orientation |
| Properties of visceral muscle | smooth, non-skeletal, involuntary, unsegmented, from splanchnic mesoderm, involuntary (autonomic n.s.), regulate internal environment |
| Type of muscle which forms body wall and appendages | somatic muscle |
| Type of muscle which forms internal structures and heart | visceral muscle |
| 3 types of muscle cells | smooth, cardiac, skeletal |