Which of the following statements is correct?
1. Monkey, apes and humans exhibit estrous cycle.
2. Urine is pale yellow and slightly alkaline.
3. Lots of enzymes are present in bile juice.
4. Ovulation in humans is spontaneous

The phase of menstrual cycle in humans that lasts for 7-8 days is:
1. follicular phase
2. ovulatory phase
3. luteal phase
4. menstruation

Mainly which hormones control the menstrual cycle in human beings:

1. FSH

2. LH

3. FSH, LH, Estrogen

4. Progesterone