20 Questions
Which type of valve guards the opening between the atria and the ventricles?
Left atrioventricular valve
How many flaps or cusps does the right atrioventricular valve have?
3
What is another name for the left atrioventricular valve?
Bicuspid valve
Where are the semilunar valves located?
In the lining of the trunk
What is the purpose of the valves in the heart?
To permit the flow of blood in one direction only
What anchors the flaps of the atrioventricular valves to the papillary muscles of each ventricle?
Chordae tendineae
How many main types of valves are there in the heart?
2
What does the term 'semilunar' refer to in relation to the semilunar valves?
The shape of the cusps
How many cusps does the left atrioventricular valve have?
2
Which valve is located at the entrance of the aorta?
Pulmonary valve
Which chambers of the heart are considered the 'receiving chambers'?
Atria
What is the function of the auricle?
To increase the capacity of each atrium
Which structure separates the left and right chambers of the heart?
Septum
What are the two lower chambers of the heart called?
Ventricles
What is the function of the ventricles?
To pump blood out of the heart through the arteries
Which chambers of the heart have thinner walls?
Atria
Which chambers of the heart have thicker walls?
Ventricles
What is the purpose of the interatrial septum?
To separate the two upper chambers (atria)
What is the purpose of the interventricular septum?
To separate the left and right ventricles
What structures sit in between the atria and ventricles, as well as in between the ventricles and the vessels?
Other structures
Test your knowledge of the heart's interior chambers and their divisions with this quiz. Explore the roles of the atria, ventricles, and septum in the cardiovascular system.
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