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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 |