Module 7 Worksheet (Muscles) BIO 326 1. What are the three main muscle types and describe their characteristics...

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Biology

Module 7 Worksheet (Muscles)
BIO 326
1. What are the three main muscle types and describe theircharacteristics (striated or not, duration of muscle twitch,purpose).
b. Describe how skeletal muscle contracts. What ion is importantand what happens when it increases in abundance inside the cell?How does the muscle relax again?
c. Why do t-tubules need to be closely associated with thesarcoplasmic reticulum?
d. Describe how the pacemaker (auto rhythmic) cells generate arepetitive series of action potentials.
e. Why is cardiac muscle not prone to tetanus

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Ans 1 a The three main types of muscles are 1 Skeletal muscle it is connected at either or both ends to a bone 2smooth muscles found in walls of internal organs such as stomach and intestine See Answer

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