Heart BOCES Word Scramble
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Question | Answer |
What is the heart's innermost layer and therefore comes into direct contact with circulating blood? | Endocardium |
What is the heart's outermost layer? | Pericardium |
What is the thickest part of the heart? | Myocardium |
What structure allows blood to flow from the left atrium into the left ventricle? | Mitral valve (also known as Bicuspid Valve) |
What structure allows blood to flow from the right atrium into the right ventricle? | Tricuspid valve |
What structure allows blood to flow out of the the left ventricle into the aorta? | Aortic valve |
What is the largest artery in the body? | Aorta |
The superior vena cava empties into what? | Right atrium |
The inferior vena cava empties where? | Right atrium |
What structure returns oxygenated blood to the heart? | Pulmonary veins |
Through what structure is blood pumped into lungs? | Pulmonary artery |
Which part of the heart does most of the work? | Left ventricle-so the walls are the thickest! |
How doe the heart get its own blood supply? | Right and Left Coronary Arteries |
What structures branch off of the ascending aorta? | Coronary arteries |
What is the main function of heart valves? | Keep blood from flowing backwards |
How long is a normal heart beat? | 0.8 seconds: 0.4 seconds to contract and 0.4 seconds to relax. |
When reading an EKG, what represents atrial depolarization? | P wave |
On EKG, what represents ventricular depolarization? | QRS complex |
On EKG, what represents ventricular repolarization? | T wave |
Created by:
shocklori
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