Differentiate between morula and blastula.

Draw a labelled diagram of sperm.

During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring, What are the processes through which these events take place?

What function do fallopian tubes perform?

Write the location and functions of Myometrium and Endometrium.

Define capacitation.

Mention the relationship between concentration of luteinising hormone and maintenance of endometrium in the human uterus.

1. Where do the signals for parturition originate from in humans?
2. Why is it important to feed the newborn babies on colostrum?

Give reasons why the human testes are located outside the abdominal cavity.

From where the parturition signals arise-mother or foetus? Mention the main hormone involved in parturition.