Define endocrine system
A) The endocrine system includes organs whose primary role is the production of hormones or paracrines.
B) The endocrine system includes organs whose primary role is the initiation and propagation of electrical impulses.
C) The endocrine system includes organs whose primary role is the cleaning of blood.
D) The endocrine system includes organs whose primary role is the digestion and absorption of nutrients.
E) The endocrine system includes organs whose primary role is the transport of gases, nutrients, and wastes around the body.
Answer: A
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