which structure can secrete a substance into the environment surrounding the body?\no lacrimal gland\no…

Brief Explanations:

The lacrimal gland secretes tears which are released onto the surface of the eye and can flow out into the external - environment around the body. Adrenal, pancreas, and pituitary glands secrete hormones directly into the bloodstream (endocrine function), not into the external environment.

Answer:

lacrimal gland