How are hormones produced by endocrine glands typically transported to target cells? a. in the blood b. across a synapse c. through the air d. via direct contact e. in interstitial fluid?
Hormone Signaling. The glands of the endocrine system secrete hormones directly into the extracellular environment. The hormones then diffuse to the bloodstream via capillaries and are transported to the target cells through the circulatory system.