each description applytoan astrocyte IA) orto a satehitecell (S) or to both cell

Question

each description applytoan astrocyte IA) orto a satehitecell (S) or to both cell types and S)? a. Maintains proper ionic environment b. Anchors capillaries to neurons -c. Found in central nervous system each description apply to a hormone (H) or to a neurotransmitter (N) or to both a hormone and a neurotransmitter (H and N)? a. Function as chemical messengers b. Released into the bloodstream -c. Produced by endocrine glands Does each description apply to a bipolar neuron (B) or to a unipolar neuron (U) or to both neuron types (B and U)? 10. Classified as a sensory neuron b. Consists of one dendrite and one axon a. c. Found in the retina and olfactory mucosa Does each description apply to a graded potential (G) or to an action potential (A) or to both potential types (G and A)? 11. a. Classified as an electrical event b. Can vary in intensity c. Classified as an all-or-none event

Explanation / Answer

8) Astrocytes form blood-brain barrier. Satellite cells are the cells that cover the surface of nerve cell bodies. Satellite cells contain ionic channels to maintain proper ionic environment.

Therefore,

9) Hormones are produced by endocrine glands. Neurotransmitters function as chemical messengers. Both the hormones and neurotransmitters are released into blood stream.

10) Both unipolar and bipolar neurons are sensory neurons. Unipolar neuron consists of one dendrite and one axon. Bipolar neurons are found in the retina and olfactory mucosa.

11) Both graded potential and action potential are electrical events. Graded potentials can vary in intensity. Action potential is classified as an all or none event.

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