Which gland in the endocrine system is involved in dwarfism?

Pituitary Gland

Explanation:

Pituitary dwarfism or the growth hormone deficiency is the condition in which the pituitary gland of the body does not makes enough hormone.

This results in a slow growth in the child and it results in small stature. The height of the child does not increases and and other growth related characters are also not found at the right time.

This is so because the growth hormones are not released from the pituitary gland.

i think its the first one

not only is it colder, it also becomes darker, less salty, and more dense.