that secrete their products, hormones, directly into the blood rather than through a duct.
Afferent or sensory neurons collect stimuli received by receptors throughout the body, including the skin, eyes, ears, nose, and tongue as well as pain and other receptors in the internal organs. Sensory information is transmitted, which includes the brain and spinal cord.
I believe the answer is promoting supplements, D.
Yeah man i feel u i have been told that many times but i can guarantee you mean the world to many people dont feel down
