Chapter 11 Flashcards
Artery
Any of the muscular - walled tubes forming part of the circulatory system
Atrioventricular Valve
Either of two heart valves through which blood flows from the atria to the ventricles
Atrium
Each of the two upper cavities of the heart from which blood is passed to the ventricles
Capillary
Any of the fine branching blood vessels that form a network between the arterioles and venules
Cardiac cycle
Complete heart beat
Cardiac Output
The volume of blood pumped per minute
Diastolic Pressure
Ventricles fill with blood/relax
Myocardium
Muscular tissue of the heart
Pericardium
The membrane enclosing the heart
Peripheral Resistance
Opposing blood flow
Pulmonary circulation
Carries deoxygenated blood away from the heart to the lungs
Pulse
The rhythmical throbbing of the arteries
Purkinje Fibers
Unique cardiac endorgan
SA Node
Hearts natural pacemaker
Semilunar Valve
Each of a pair of valves in the heart
Systemic Circulation
Carries oxygenated blood away from heart to body
Systolic Pressure
First recorded number
Vein
Any of the tubes forming part of the blood circulation system
Ventricles
A hollow part or cavity in an organ
Arteriole
A small branch of an artery leading into capillaries
