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Alex Figueroa

Physiology weeks 7-13

QuestionAnswer
During a relative refractory period: the action potential can be initiated with a strong stimulus.
Compared with the outside of the neuron, the inside has a(n) ____ charge. negative
How does action potential work? Its an all or non bases. This mean the action petential work either send the signal or ot doesnt.
Ligand gated ion channels a
the autonomic nerbous sytem consiste of efferent neurons that control what type of muscle? smooth muscle, cardiac muscle, and gland cells (on autopilot)
Dopamine, epinephrine, and norepinephrine are classified as: catecholamines.
The pineal gland releases what hormones? Melatonin
The blood carries more than 2/3 carbon dioxide in what way? bicarbonate ions.
The exact amount of oxygen in blood depends mainly on the amount of hemoglobin.
Which enzymes are needed for digestion in the lumen of the gi tract? digestive enzymes and bile
What enzyme does saliva contain?? Amylase which help digest carbohydrates
Created by: afigueroa350
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