Term
| The heart is a _________ ________ bound into one ______. |
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Definition
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Term
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Definition
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Term
| The apex of the heart is the |
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Definition
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Term
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Definition
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Term
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Definition
| deoxygenated blood into pulmonary circulation |
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Term
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Definition
| oxygenated blood into systemic circulation |
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Term
| Both sides of the heart work |
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Definition
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Term
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Definition
| smaller, upper receiving chambers of the heart |
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Term
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Definition
| pumps blood into the respective ventricles |
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Term
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Definition
| larger, lower distributing chambers of the heart |
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Term
| Function of the RIGHT ventricle |
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Definition
| pumps blood into pulmonary circulation |
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Term
| Function of the LEFT ventricle |
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Definition
| pumps blood into systemic circulation |
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Term
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Definition
| separates the RIGHT and LEFT ventricles |
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Term
| The heart is contained in a ________ sac called the __________. |
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Definition
fibroserous
pericardial sac |
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Term
| The outer layer of the sac is composed of |
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Definition
| fibrous connective tissue |
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Term
| The inner layer of the sac is composed of |
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Definition
| parietal pericardium (serous membrane) |
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Term
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Definition
| the outermost layer of the heart |
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Term
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Definition
| the middle layer of the heart |
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Term
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Definition
| innermost layer of the heart |
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Term
| Epicardium is composed of |
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Definition
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Term
| Myocardium is composed of |
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Definition
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Term
| What is cardiac muscle tissue capable of? |
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Definition
| initiating its own electrical impulse |
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Term
| Cardiac muscle tissue contains ________ |
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Definition
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Term
| What do the intercalated discs provide? |
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Definition
| a continuity or synchronation to cardiac muscle and allows close coordination of heart activity |
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Term
| Endocardium is composed of |
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Definition
| simple squamous epithelium aka endothelium |
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Term
| Function of the valves of the heart |
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Definition
| provide one-directional blood flow |
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Term
| What are the heart valves composed of? |
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Definition
| endothelial covered fibrous skeleton |
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Term
| Another word for cuspid valves |
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Definition
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Term
| Where are tricuspid valves located? |
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Definition
| between RIGHT atrium and RIGHT ventricle |
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Term
| Where are bicuspid valves located? |
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Definition
| between LEFT atrium and LEFT ventricle |
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Term
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Definition
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Term
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Definition
| elevations in the walls of the ventricles |
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Term
| Function of papillary muscles |
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Definition
| anchor chorda tendinae during ventricular contraction (keeps it closed during contraction) |
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Term
| Left semilunar valve is called |
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Definition
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Term
| Right semilunar valve is called |
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Definition
| pulmonary semilunar valves |
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Term
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Definition
| supplies the RIGHT ventricle |
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Term
| Posterior interventricular artery |
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Definition
| supplies the posterior walls of the ventricles |
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Term
| Anterior interventricular artery |
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Definition
| supplies the anterior walls of the ventricles |
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Term
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Definition
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Term
| What 3 vessels empty into the RIGHT atrium? |
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Definition
1. inferior vena cava
2. superior vena cava
3. coronary sinus vein |
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Term
| What vessels empty into the LEFT atrium? |
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Definition
1. R pulmonary vein
2. L pulmonary vein |
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Term
| What 2 vessels branch off the RIGHT coronary artery? |
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Definition
1. marginal artery
2. posterior interventricular artery |
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Term
| What 2 vessels branch off the LEFT coronary artery? |
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Definition
1. anterior interventricular artery
2. circumflex artery |
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Term
| What are the 6 steps of the circulatory system? |
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Definition
heart
arteries
arterioles
capillaries
venules
veins
back to heart |
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Term
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Definition
| collects blood from the front of the heart |
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Term
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Definition
| collects blood from the back of the heart |
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Term
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Definition
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Term
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Definition
| collects blood from above the diaphragm |
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Term
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Definition
| collects blood from below the diaphragm |
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Term
| Pulmonary circulation begins with the ________ and ends with the _________. |
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Definition
Right ventricle
Left ventricle |
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Term
| Systemic circulation begins with ________ and ends with the _________. |
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Definition
Left ventricle
Right ventricle |
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