Answer:
provide a large surface area of moist, selectively permeable membrane.
Explanation:
Answer:
Impulses travel from one neuron to the next by an electrical impulses that travels down the axon of one neuron to another. So I believe its 1.
Explanation:
Have a good day! (^w^)
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.