nt Styles Text Box Th Be 22. By producing 200 or more axon a single central nerv

Question

nt Styles Text Box Th Be 22. By producing 200 or more axon a single central nervous system axon may synapse with as many asother neurons. 23. When you are thinking hard, as you probably are right now, the blood flow increases in certain regions of your brain. This increased blood flow is due to vasodilation, from--.released by. neurons. , in the vicinity of the active 24. A neuron innervating and causing movement of a leg muscle would be an autonomic neuron a motor neuron acetvlcholine releasing 25. Action potentials characteristically yary in amplitude, depending on the size of the stimulus vary in frequency, depending on the size of the stimulus are triggered by a rise in membrane voltage above a threshold have the same amptitude în a cell are triggered by opening of voltage-gated potassium ion channels 26. After an accident causing spinal cord damage, the regeneration of central nervous system axons may be inhibited by: Schwann cells neurotrophins inhibitory proteins apoptosis glial scar 27. Theare the most abundant glial cells, making up as much as 90% of the nervous tissue in some areas of the brain Schwann cells astrosvtes satellite cells

Explanation / Answer

23 nitric oxide causes vasodilattation and produce d in neuron.

24a neuron that innervate leg muscle and control movement would ba a motor a neuron.it is of mylinated type.

25 action potential vary in magnitude depending upon size of stimuli.

27 Astrocytes are the most abudant glial cell in cns

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