Haney AP c14DJW Word Scramble
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Question | Answer |
What is the chemical energy that comes from food? | ATP |
About how many times does the heart bet per minute? | 72 |
What is the heart positioned between? | The lungs in the mediastinum. |
What is the loose fitting serous membrane covering the heart known as? | Pericardial sac |
What is the outermost layer of the pericardial sac? | Fibrous pericardium |
What is the innermost layer of the pericardial sac? | Serous pericardium |
What is the name for the outermost layer of the wall of the heart? | Epicardium or visceral pericardium |
What is between the epicardium and the serous pericardium? | Pericardial cavity |
What does the pericardial cavity contain? | Pericardial fluid |
What layer is underneath the epicardium? | Myocardium |
What is the innermost layer of the heart? | Endocardium |
What are the two upper chambers of the heart? | Left and Right Atrium |
What is the external appendage of an atrium called? | Auricle |
What lines the anterior atrial walls and the auricles? | Musculi pectinati |
What are the lower chambers of the heart called? | Left and Right ventricle |
What separated the two ventricles? | Interventricular septum. |
What are the ridges inside the ventricles? | Trabeculae carneae |
What separates the ventricles from the atria? | Coronary sulcus |
The superior vena cava supplies blood to what? | Head, neck, and arms |
The inferior vena cava supplies blood to what? | Legs and abdomen |
What does the pulmonary trunk split into? | Right pulmonary artery and left pulmonary artery. |
Oxygenated blood returns to the heart via what? | Pulmonary veins |
What does the left ventricle pump blood to? | Ascending aorta |
Where does the blood go from the ascending aorta? | Coronary arteries |
What is the valve between the right atrium and right ventricle? | Tricuspid valve |
What are the flaps that make the valves composed of? | Fibrous connective tissue |
What are the chords that connect to the flaps? | Chordae tendineae |
What do the chordae tendineae connect to at the other end? | Papillary muscles |
The valve between the left ventricle and left atrium is known as what? | bicuspid or mitral valve |
What are valves that prevent blood from flowing back into the pumping chambers? | Pulmonary semilunar valves |
Where is the aortic semilunar valve found? | The opening where the ascending aorta leaves the left ventricle. |
What is the hearts intrinsic regulating system called? | Conduction system |
Where does the system begin at? | Sinoatrial node |
What does the SA node depolarize? | atrioventricular node |
What is the name for the atrioventricular bundle? | Bundle of His |
What simulates the contraction of the ventricles? | Purkines's fibers |
Systole is referred to when the heart is in what phase? | Contraction |
Diastole is the term for a phase of what? | Relaxation |
What three layers compose arteries, arterioles, veins, venules, and capillaries? | Tunica intima, tunica media and tunica adventitia. |
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