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A&P Chp 11
Cardiovascular System
Question | Answer |
---|---|
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 |