Question

select all that apply
which of the following are considered endocrine glands?
□ pituitary gland
□ salivary gland
□ sweat gland
□ thyroid gland

Explanation:

Endocrine glands secrete hormones directly into the bloodstream without ducts. The pituitary gland (master gland, secretes multiple hormones) and thyroid gland (secretes thyroid hormones) are endocrine. Salivary and sweat glands have ducts (exocrine) and secrete substances through ducts, not directly into blood.

Answer:

A. Pituitary gland, D. Thyroid gland