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Jennie Liebermann

Physiology week 7-14

QuestionAnswer
Define membrane potential a difference in electrical charge across their plasma membranes
Describe the sequence of events in an action potential stimulus reaches threshold. Na gates open, Na enters depolarization,hits peak Na closes, K enters repolarization, hyperpolarization, then back to rest potential
two major divisions of nervous system PNS peripheral nervous system, CNS central nervous system
PNS is made up of the XX pairs of spinal nerves that emerge from the spinal cord, the XX pairs of cranial nerves that emerge from the brain, 31,12
Nerve impulses trigger the release of neurotransmitters,
endocrine system controls body cavities by releasing mediators called hormones
An average human has around X liters (X pints) of blood 5,8
Strongest chamber of heart left ventricle
major function of the lymphatic system is to drain body fluids and return them to the bloodstream
In humans, XX liters of plasma are released into the interstitial space of the tissues each day due to capillary filtration 20
Which blood vessel carries O2 rich blood to heart, which carries blood lacking O2 to lungs pulmonary vein carries O2 rich blood to heart, pulmonary artery carries O2 lacking blood to lungs
Created by: jenlie
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