★ Anatomy Quiz
which is 4th
A. actin and myosin form links
B. acetylcholine crosses the gap at the neuromuscular junction
C. calcium is released into the sarcoplasm
D. myosin cross-bridges pull actin filaments inwards
Select your answer:

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A. summer
B. winter
C. monsoon
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The outer covering of the body.
A. fever
B. allergies
C. skin