Oestrous cycle occurs in:
Monkey
Chimpanzee
Human being
Dog
dog is a non-primate so oestrous cycle occurs in the female dogs , and we knw dat oestrous cycle does not cause bleeding . How ?
In total, how many of the following animals show oestrus cycle and menstrual cycle respectively?
Cow, Human, Gorilla, Tiger, Deer, Dog, Monkey, Rat and Sheep.