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Heart

Terms in this set (30)

The heart is an organ of this body system?
Cardiovascular system
What is the muscular layer of the heart called?
Myocardium
What is the name of the sac surrounding the heart?
Pericardium
What type of tissue comprises the bulk of the myocardium?
Cardiac muscle tissue
What is the function of the heart?
To transport blood thought the body
What is the function of an artery?
To carry blood away from the heart
From outermost to innermost, what are the three layers of an artery?
Tunica adventatia, tunica media, tunica intima
What is the function of a vein?
Returns blood to the heart
What is the name of the space in a blood vessel wherein blood flows?
Lumen
What is the lining of the heart called?
Endocardium
What is the primary brain stem structure that controls heart rate?
Medulla oblongata
What is the specific space in the thoracic cavity where the heart is located?
Mediastinum
What bone protects the heart anteriorly?
Sternum
The bulk of the heart rests on this side of the body.
Left
The pericardium attaches to this structure inferiorly.
Diaphragm
Which side of the heart has a thicker ventricular wall?
Left
What layer of an artery consists mostly of smooth muscle?
Tunica media
What chambers of the heart function to receive blood from the veins?
Atria
The tunica interna is continuous with this layer of the heart.
Endocardium
What part of the heart rests just below the right second rib?
Base
What are the bottom two chambers of the heart called?
Ventricles
What valves are located between the atria and the ventricles?
Tricuspid and bicuspid (mitral) valves
The apex of the heart points to this side of the body.
Left
What is the branch of the aorta that divides into the right subclavian and right common carotid arteries?
Brachiocephalic
What is the scientific term for the "heart strings" that extend from the AV cusps to the papillary?
Cordae tendinae
What structure divides the two ventricles is the heart?
Inter ventricular septum
The superior vena cava attaches to this heart chamber.
...
What is the largest artery in the human body?
...
What are the "ear-like" structures that extend from the atria?
Auricles
The apex of the heart usually sits at the same approximate level as the space between these two ribs.
5th & 6th ribs, the intercostal space
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