The Heart
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Right Atrium: Oxygen poor or rich? | oxygen poor
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| Right Atrium: Sending or receiving? | receiving
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| Right Atrium: systemic or pulmonary? | systemic
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| Right Atrium: end or beginning? | end
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| Right Ventricle: Oxygen poor or rich? | oxygen poor
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| Right Ventricle: Sending or receiving? | sending
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| Right Ventricle: Systemic or pulmonary? | pulmonary
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| Right Ventricle: End or beginning? | beginning
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| Left Atrium: oxygen poor or rich? | oxygen rich
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| Left Atrium: Sending or receiving? | receiving
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| Left Atrium: Systemic or pulmonary: | Pulmonary
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| Left Atrium: End or beginning? | end
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| Left Ventricle: Oxygen poor or rich? | oxygen rich
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| Left Ventricle: Sending or receiving? | sending
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| Left Ventricle: Systemic or pulmonary? | systemic
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| Left Ventricle: End or beginning? | beginning
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| How many pulmonary veins? | 2 right, 2 left (4 total)
Located in Left Atrium
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| The heart is a ____ pump | double
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| takes blood to and from the lungs | pulmonary cicuit
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| takes blood to and from the body tissues | systemic circuit
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| receive blood from the pulmonary & systemic circuits | atria
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| pumping chambers of the heart | ventricles
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| send blood from the pulmonary & systemic circuits | ventricles
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| largest organ of the mediastinum | heart
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| strong layer of dense connective tissue | fibrous pericardium
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| external layer of the pericardium | fibrous pericardium
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| formed by two layers -- parietal pericardium & visceral pericardium | serous pericardium
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| outer/superficial layer of the serous pericardium | parietal pericardium
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| inner/deep layer of the serous pericardium | visceral pericardium
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| external layer of the heart wall | epicardium
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| visceral layer of the pericardium | epicardium
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| middle layer of the heart wall -- consists of cardiac muscle | myocardium
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| inner layer of the heart wall -- endothelium resting on a layer of connective tissue | endocardium
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| lines the internal walls of the heart and forms the heart valves | endocardium
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| an external groove that marks the division between the atria and the ventricles | coronary sulcus
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| external grooves that mark the division between the ventricles on both the anterior & posterior side of the heart | anterior & posterior interventricular sulcus
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| vessels that enter the right atrium (3) | SVC, IVC & Coronary sinus
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| remnant of a fetal circulatory structure known as the foramen ovale | fossa ovalis
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| location of the fossa ovalis | right atrium
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| aka right atrioventricular valve | tricuspid valve
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| valve located between the right atrium & right ventricle | tricuspid valve
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| when the tricuspid valve opens, blood flows from the ____ ____ to the ____ ____ | right atrium to the right ventricle
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| when the tricuspid valve is closed, it prevents backflow from the ____ ____ to the ____ ____ | right ventricle to the right atrium
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| receiving chamber for oxygen poor blood | right atrium
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| pumping chamber for the pulmonary circuit | right ventricle
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| vessel leaving the right ventricle | pulmonary trunk
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| cone-shaped muscles projecting from the ventricular wall | papillary muscles
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| thin, strong bands attached to the papillary muscles & the flaps of the tricuspid valve | chordae tendineae
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| structures that help to prevent backflow of blood from the right ventricle into the right atrium | chordae tendineae
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| the valve located at the base of pulmonary trunk | pulmonary valve (pulmonary semilunar valve)
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| when the pulmonary valve opens, blood flows from the ___ ___ to the ___ ___ | right ventricle to the pulmonary trunk
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| when the pulmonary valve closes, it prevents backflow from the ___ ___ to the ___ ___ | pulmonary trunk to the right ventricle
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| receiving chamber for oxygen-rich blood | left atrium
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| receive oxygen-rich blood returning from the right lung | right pulmonary veins
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| receive oxygen-rich blood returning from the left lung | left pulmonary veins
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| the vessels that enter the left atrium | pulmonary veins
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| structure located between the left atrium & left ventricle | bicuspid valve
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| aka left atrioventricular valve | bicuspid valve
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| when the bicuspid valve opens, blood flows from the ___ ___ to the ___ ___ | left atrium to the left ventricle
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| when the bicuspid valve closes, it prevents backflow from the ___ ___ to the ___ ___ | left ventricle to the left atrium
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| pumping chamber for the systemic circuit | left ventricle
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| the vessel leaving the left ventricle | aorta
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| the valve located at the base of the aorta | aortic valve (aortic semilunar valve)
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| when the aortic valve opens, blood flows from the ___ ___ to the ___ | left ventricle to the aorta
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| when the aortic valve closes, it prevents backflow from the ___ to the ___ ___ | aorta to the left ventricle
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| How many beats per minute when the heart is at rest? | 70-80
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| the left ventricle is ___ times thicker than the right ventricle | 3
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| which ventricle exerts more pumping force? | left
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| each valve is composed of... | endocardium with connective tissue
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| sets the inherent rate of contraction - known as the heart's internal pacemaker | sinoatrial node
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| cardiac muscle tissue has the intrinsic ability to... | generate & conduct impulses and signal cells to contract rhythmically
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| "resting & digesting" | parasympathetic
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| "fight, flight or fright" | sympathetic
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| fibers running from cervical and upper thoracic chain ganglia | sympathetic
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| branches of the vagus nerve | parasympathetic fibers
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| vessels arising from the ascending aorta & located in the coronary sulcus | coronary arteries
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| drains the oxygen-poor blood from the tissues of the heart itself & empties into the right atrium | coronary sinus
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Created by:
leahmurphy
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