How many ovaries present in female reproductive system ?

Growth hormone is produced in ___________________

What kind of molecules are receptors ?

Testosterone secretion helps in the development of ______________ sexual characters in males.

The peripheral nervous system includes _____________  pairs of cranial nerves arising from the brain.

How many testes are present in males ?

Thymus gland is located at 

Name the gland which secretes different hormones and also controls the activity of all the other endocrine glands of our endocrine system ?

Parathyroid gland is located just _____________

Thymosine hormone secreted by thymus gland helps in the________________