Answer: muscle's insertion
Explanation:
and the end of the muscle attached to a fixed, or stabilized, bone is called the origin. The muscle primarily responsible for a movement is called the prime mover, and muscles that assist in this action are called synergists.
Circulatory system
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Answer:
O negative blood is the universal donor.
AB positive blood is the universal recipient.
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In order to find out the fertility rate (the average number of children born in a area in a women's lifetime) of a group, you have to know the population of women and newborn children.
I believe it is species resistance.