BIOL 208 Lecture Notes - Lecture 16: Qrs Complex, Atrioventricular Node, Pr Interval
Document Summary
Frank-starling law of the heart (loh) - within limits, the > the length of stretched ventricular bers, the stronger the contraction. Canned statement the changing hr is the principle mechanism of short term control over both a co and therefore bp: sympathetic nervous system nt = norepinephrine (ne, parasympathetic nervous system nt = acetylcholine (ach) Somatic nervous system (innervates muscles) nt = ach: tachycardia , 3 examples of baroreceptors/pressoreceptors (re ex mechanisms): Carotid sinus re ex aka marey"s loh - involves afferent neurons. Right heart/atrial re ex aka bainbridge re ex -
