- What is the function of the heart?
The function of the heart is to pump the blood. It sends the blood to other parts of the body, and the lungs, where the red blood cells are filled with oxygen again. Without the heart, the blood would not move throughout the body, and there would be no circulatory system.
- What is the function of an artery?
The function of the artery is to carry blood away from the heart. Most arteries carry oxygenated (oxygen-rich) blood from the heart to the rest of the body.
- From outermost to innermost, what are the three layers of an artery?
The three layers of an artery from outermost to innermost are tunica externa, tunica media, and tunica interna.
- What is the function of a vein?
The function of the veins is to circulate the blood back to the heart and carry de-oxygenated blood.
- What is the name of the space in a blood vessel where the blood flows?
The name of the space in a blood vessel where blood flows is the lumen.
- What is the lining of the heart called?
The lining of the heart is called the endocardium.
- The bulk of the heart rests on the side of the body?
The bulk of the heart rests on the left side.
- The pericardium attaches to this structure inferiorly.
The pericardium attaches to the middle part of the central tendon of the diaphragm.
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Which side of the heart has a thicker ventricular wall?
The left side of the heart has a thicker ventricular wall.
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What layer of an artery consists mostly of smooth muscle?
The tunica media layer of the artery consists mostly of smooth muscle.
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What chambers of the heart function to receive blood from the veins?
The right and left atriums chambers of the heart function to receive blood from the veins.
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What part of the heart rests just below the right second rib?
The base of the heart rests just below the right second rib.
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What are the bottom chambers of the heart called?
The bottom two chambers of the heart are called the right and left ventricles.
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What valves are located between the atria and the ventricles?
The pulmonary and aortic valves are between, and separate the atria, ventricles and their associated vessels.
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The apex of the heart points to this side of the body.
The apex of the heart points to the left side of the body.
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What structure divides the two ventricles of the heart?
The septum divides the two ventricles of the heart.
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The superior vena cava attaches to this heart chamber.
The superior vena cava attaches to the right atrium.
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What is the largest artery of the human body?
The largest artery in the human body is the aorta.
