Question

which hormones do the following secret-pineal gland, parathyroid gland, thymus, hypothalamus.

Answer 1

Here is the answer:-
Hormones secreted by the given glands are as follows:-
# Pineal gland;- secretes Metatonin(hormone)
# Parathyroid gland:-secretes parathyroid hormone
# Thymus gland :- secretes Thymidine(hormone)
# Hypothalamus gland:- secretes anti-diuretic hormone and oxytocin(hormone)
I hope dis helps u...

Answer 2

Pineal gland- Melatonin 
Parathyroid gland- Parathormone or PTH
Thymus- Thymosin