Biology, 20.07.2019 00:00 huangjianhe135
Although estrogen is primarily produced by ovaries, it is also produced by the adrenal glands and in fat tissue. loss of the normal amount of fat lowers the level of estrogen so that the menstrual cycle and ovulation stops. female olympic athletes who train severely often shut off their cycles. what would be a reasonable evolutionary cause of this shutdown?
Answers: 1
Biology, 21.06.2019 15:30
*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above
Answers: 2
Biology, 21.06.2019 20:30
Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?
Answers: 1
Biology, 22.06.2019 01:30
Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?
Answers: 1
Although estrogen is primarily produced by ovaries, it is also produced by the adrenal glands and in...
Chemistry, 07.10.2019 11:30
Biology, 07.10.2019 11:30
Mathematics, 07.10.2019 11:30
History, 07.10.2019 11:30
Mathematics, 07.10.2019 11:30
History, 07.10.2019 11:30
Mathematics, 07.10.2019 11:30