The bottom of the pyramid.
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Answer:Luteinizing Hormone
Explanation:Luteinizing Hormone (LH) is a gonadotropin synthesized and secreted by the anterior pituitary gland in response to GnRH. Like FSH, LH is involved in reproductive processes in both males and females. When follicle maturation is complete, an LH surge triggers ovulation.
They do divide! You just don't notice it. Also, some cells can't replicate because it's a major use to your body. They can't get old... For some reason...
Answer.
b. it will decrease
