1.

The menstrual cycle in humans lasts for a lunar month.(a) True(b) FalseThe question was posed to me in homework.This key question is from Human Reproduction topic in chapter Human Reproduction of Biology – Class 12

Answer»

The correct option is (a) True

Best explanation: Menstruation OCCURS in all primates. It varies across SPECIES lasting from days to months. In HUMANS, it lasts approximately for a lunar MONTH i.e., 28-29 days.



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