Answer:
endometrium
Explanation:
The endometrium changes throughout the menstrual cycle in response to hormones. During the first part of the cycle, the hormone estrogen is made by the ovaries. Estrogen causes the lining to grow and thicken to prepare the uterus for pregnancy.
<span>initiating a series of steps that result in the increased production of certain enzymes</span>
No one knows everybody just copies eachother
Answer:
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Answer:
gas
Explanation:
Because if you mix gas and fire there will be an explosion
