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32 Cards in this Set
- Front
- Back
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The average heart weighs |
11 ounces |
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The average heart pumps |
2000 gallons of blood a day |
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The heart is about the size of |
A fist |
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The heart pumps blood to |
Almost every cell in the body |
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The heart starts beating at |
4 weeks after conception |
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What may have a negative effect on the heart |
Heavy snoring, lifting, drinking |
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Who invented the stethoscope and in what year |
Rene Laennec in 1816 |
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Where is the heart located? And what is the special muscle tissue called |
In the midsection of the chest between the lungs. Myocardium |
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Pericardium |
A double-layered membrane, surrounding the heart |
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The heart consists of four chambers |
The upper chambers are the right and left atrium, the lower chambers are the right and left ventricles |
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What does the atrium do |
The left and right atriums receive blood that is returning to the heart |
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Left atrium |
Receives blood that is returning from the pulmonary veins |
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Right atrium |
Receives blood that is returning from the superior and inferior vena cava |
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Superior vena cava |
Returns oxygen deprived blood from the head, neck, chest and arm to the heart |
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Inferior vena cava |
Return oxygen deprived blood from the back, abdomen, legs and pelvis |
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What do the ventricles do |
The left and right ventricles pump blood to the body |
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Left ventricle |
Hardest working chamber. Pumps the blood of the aorta (artery.) |
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What are the four heart valves that regulate the blood through the heart |
Tricuspid, Pulmonic, Mitral, and Aortic |
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tricuspid and mitral valves |
Atrioventricular Node (AV node) |
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Pulmonic and Aortic valves |
Semi lunar |
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Types of blood vessels |
Arteries, veins, capillaries, arterioles, and venules. |
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Blood vessels |
Hollow tube-like structures that circulate blood throughout the body |
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Main artery |
Aorta |
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Heart node |
Refers to a special tissue type that acts as muscle and nervous tissue |
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One cardiac impulse and the recharging of cells usually takes |
0.5 sec |
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Natural pacemaker of the heart |
Sinoatrial (SA) node |
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The medulla |
It is the part of the brain which controls the autonomic functions like: breathing, and heart and blood functions |
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Neurological Pathways connect |
The heart with the medulla of the brain |
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Lungs |
Are the organs where the exchange of oxygen and carbon dioxide between the air and the blood takes place |
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Each red blood cell contains the substance that carries oxygen called |
Hemoglobin |
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Each hemoglobin carries |
Four oxygen molecules |
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As blood passes through the lungs it increases its |
Oxygen concentration |
