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| Front | Back | Tags |
|---|---|---|
| What is the human heart shaped and sized roughly like? | A man's closed fist. It is a four-chambered muscular organ with two-thirds of its mass to the left of midline. Henry Vandyke Carter, Gray's Anatomy (1918), public domain, via Wikimedia Commons |
anatomy cardiovascular heart source:seer |
| What sac encloses the heart? | A pericardial sac. It is lined with the parietal layers of a serous membrane. |
anatomy cardiovascular heart source:seer |
What is the outer layer of the heart wall called? typed |
epicardium | anatomy cardiovascular heart source:seer |
What is the middle layer of the heart wall called? typed |
myocardium | anatomy cardiovascular heart source:seer |
What is the inner layer of the heart wall called? typed |
endocardium | anatomy cardiovascular heart source:seer |
| What are the four chambers of the heart? |
OpenStax College, "2008 Internal Anatomy of the HeartN", CC BY 3.0 (https://creativecommons.org/licenses/by/3.0), via Wikimedia Commons |
anatomy cardiovascular heart source:seer |
| Which heart chambers are thin-walled and receive blood from the veins? | The two atria. |
anatomy cardiovascular heart source:seer |
| Which heart chambers are thick-walled and forcefully pump blood out of the heart? | The two ventricles. |
anatomy cardiovascular heart source:seer |
| Which heart chamber receives deoxygenated blood from the systemic veins? | The right atrium. |
anatomy cardiovascular heart source:seer |
| Which heart chamber receives oxygenated blood from the pulmonary veins? | The left atrium. |
anatomy cardiovascular heart source:seer |
| How are the right and left sides of the heart timed relative to each other? | They work simultaneously, as two pumps. The two atria contract together, and the two ventricles contract together. |
anatomy cardiovascular heart source:seer |
| Which arteries supply blood to the walls of the myocardium? | The right and left coronary arteries. They are branches of the ascending aorta. OpenStax College, "2014ab Coronary Blood Vessels", CC BY 3.0 (https://creativecommons.org/licenses/by/3.0), via Wikimedia Commons |
anatomy cardiovascular heart source:seer |
| Into what do most of the cardiac (coronary) veins drain? | The coronary sinus. The coronary sinus opens into the right atrium. OpenStax College, "2014ab Coronary Blood Vessels", CC BY 3.0 (https://creativecommons.org/licenses/by/3.0), via Wikimedia Commons |
anatomy cardiovascular heart source:seer |
| What is the collective name for the valves between the atria and the ventricles? | Atrioventricular valves (also called cuspid valves). OpenStax College, "2011 Heart Valves", CC BY 3.0 (https://creativecommons.org/licenses/by/3.0), via Wikimedia Commons |
anatomy cardiovascular source:seer valves |
| Semilunar valves | The collective name for the valves at the bases of the large vessels leaving the ventricles. | anatomy cardiovascular source:seer valves |
| The collective name for the valves at the bases of the large vessels leaving the ventricles. | Semilunar valves | anatomy cardiovascular source:seer valves |
What is the name of the right atrioventricular valve? typed |
tricuspid valve | anatomy cardiovascular source:seer valves |
| Left atrioventricular valve | The bicuspid, or mitral, valve. | anatomy cardiovascular source:seer valves |
| The bicuspid, or mitral, valve. | Left atrioventricular valve | anatomy cardiovascular source:seer valves |
| Pulmonary semilunar valve | The valve between the right ventricle and the pulmonary trunk. | anatomy cardiovascular source:seer valves |
| The valve between the right ventricle and the pulmonary trunk. | Pulmonary semilunar valve | anatomy cardiovascular source:seer valves |
| Which valve lies between the left ventricle and the aorta? | The aortic semilunar valve (aortic valve). |
anatomy cardiovascular source:seer valves |
When the ventricles [contract or relax?], the atrioventricular valves close, preventing blood from flowing back into the atria. cloze 1 |
When the ventricles contract, the atrioventricular valves close, preventing blood from flowing back into the atria. |
anatomy cardiovascular source:seer valves |
When the ventricles contract, the [which valves?] valves close, preventing blood from flowing back into the atria. cloze 2 |
When the ventricles contract, the atrioventricular valves close, preventing blood from flowing back into the atria. |
anatomy cardiovascular source:seer valves |
When the ventricles [contract or relax?], the semilunar valves close, preventing blood from flowing back into the ventricles. cloze 1 |
When the ventricles relax, the semilunar valves close, preventing blood from flowing back into the ventricles. |
anatomy cardiovascular source:seer valves |