endocrine

Question 1

a specific example of a paracrine signal that acts only locally within the synaptic cleft.

Answer 1

Neurotransmitters

Question 2

consists of cells, tissues, and organs that secrete hormones

Answer 2

Endocrine System

Question 3

the major players in the endocrine system

Answer 3

Endocrine Glands

Question 4

the primary function of ____ is to secrete their hormones directly into the surrounding fluid

Answer 4

Endocrine glands

Question 5

they do not have ducts that carry their secretions away

Answer 5

Exocrine glands