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Kacey Munsell

Weeks 7-13

TermDefinition
Tropic hormones Hormones that target other endocrine glands and stimulate their growth and secretion
Sex hormones Hormones that target reproductive tissues
Anabolic hormones Hormones that stimulate anabolism in their target cells
Electrocardiogram Graphic record of the heart’s electrical activity
P wave Depolarization of the atria
QRS complex Depolarization of the ventricles
T wave Repolarization of the ventricles
U wave Tiny “hump” at the end of the T wave
Cardiac cycle Complete heartbeat
Systole Contraction
Diastole Relaxation
Pulmonary ventilation Breathing
External respiration Pulmonary ventilation (breathing) and gas exchange in the pulmonary capillaries of the lungs
Internal respiration Gas exchange in the systemic blood capillaries and cellular respiration
Boyle’s law A gas’s volume is inversely proportional to its pressure
Charles’s law Volume is directly proportional to temperature
Dalton’s law The total pressure exerted by a mixture of gases is the sum of the pressure of each individual gas
Henry’s law The pressure of a gas relates to the concentration of that gas in a liquid solution
Young-LaPlace law Alveolar pressure is directly proportional to surface tension and inversely proportional to the radius of the alveolus
Spirometer Measure the volume of air exchanged in breathing
Tidal volume (TV) The volume of air exhaled normally after a typical inspiration
Expiratory reserve volume (ERV) The largest additional volume of air that one can forcibly expire after expiring tidal air
Inspiratory reserve volume (IRV) The amount of air that can be forcibly inspired over and above a normal inspiration
Residual volume (RV) The amount of air that cannot be forcibly expired
Vital capacity (VC) The largest volume of air an individual can move into and out of the lungs.
Created by: kacey13
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