Question

X and Y are the two endocrine glands located in the brain. X releases a harmone Z which regulates growth in humans. Then Xand Y are?

Answer 1

x = pituitary gland 
y is not specified

Answer 2

X and Y are the two endocrine glands located in the brain. X releases a hormone Z which regulates growth in humans. Then X and Y are?

Explanation:

X- Pituitary gland

Z- Human growth hormone or somatotropin.

Y- Hypothalamus

The pituitary gland located in the human brain releases the growth hormone which promotes growth and development in the human body and the release of this hormone is regulated by the hypothalamus