The 'master gland' that controls or influences all of the other endocrine glands is the _____ gland.

Which gland is responsible for releasing hormones that activate the sympathetic nervous system?

Which gland controls or influences all of the other endocrine glands?

Growth hormone is secreted by the

Secreted by the pituitary, _____ is a hormone that controls aspects of pregnancy.

Melatonin and thyroxin are examples of

The _____ secrete hormones that regulate sexual behavior and reproduction.

Adrenal glands produce hormones called

Collin has diabetes, for which he has to give himself insulin shots. Collin's need for insulin is most likely related to problems with his