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A&P Chp 11

Cardiovascular System

What is the Cardiovascular system composed of? Heart and blood vessels.
Veins and Venules carry blood where? To the heart from the rest of the body
________ are small blood vessels that exchange materials with tissues. Capillaries
____________ pressure permits the exchange of materials between blood and tissues. Hydrostatic
What is Vasoconstriction? Narrowing of Vessels
_________ is the widening of vessels. Vascodilation
The heart is made of the ________ and covered by a protective __________. Myocardium; pericardium
What side of the heart controls the systemic circulation? The left half
What does the right half of the heart control? Pulmonary circulation
The four major blood vessels are the: Aorta, Pulmonary Artery, Pulmonary Vein, and the Vena Cava
True or False: The fetal heart is designed to keep blood flowing only to the lungs. False- the fetal heart is designed to keep blood AWAY from the lungs.
Cardiac Cycle One pumping action of the heart. (Lub-Dub)
Diastole the filling of the atria and ventricles
_________ is the emptying of the ventricles Systole
Heart rate Number of cycles per minute
Cardiac Output Volume of blood pumped per minute.
The P,Q,R,S,and T waves make up what The cardiac cycle
True or False: Diseases of the cardiovascular system affects either blood vessels or the heart. True
True or False: Lifestyle is the major contributing factor to cardiovascular system aging. True
In the heart valves prevent the back flow of blood into what? Veins
Blood exits the heart through ______ Arteries
Blood from the left ventricle enters _______ Aorta
What type of blood vessel does not have three tissue layers? Capillaries
Blood enters the heart through the ______ Atria
Atria pump blood across these valves Mitral and Tricuspid
Created by: mrskater