Which layer of the uterine wall breaks down during the menstrual cycle?

In a human female,how many eggs are produced by one ovary in a year?

The menstrual cycle in a normal adult woman is of (in $days$)

Which hormone is produced throughout the menstrual cycle?

When is ovulation expected in a normal menstrual cycle?

Categorize the following animals into those exhibiting menstrual cycle and those exhibiting oestrous cycle.
$I -$ Monkeys,$II -$ Cows,$III -$ Sheep,$IV -$ Apes,$V -$ Humans,$VI -$ Rats,$VII -$ Deer,$VIII -$ Dogs,$IX -$ Tigers
$\text{Menstrual cycle} \quad \quad \quad \text{Oestrous cycle}$