
In heart of a human, the bicuspid valve is situated in
(a)Right auricle and pulmonary aorta
(b)Post caval and auricle
(c)Left auricle and left ventricle
(d)Right auricle and right ventricle
Answer
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Hint: It is called bicuspid because the valve has two cusps(pointed edges). It is also known as the mitral valve. It is called the mitral valve because it looks like a miter ( a tall headpiece worn by bishops).
Complete answer:
Valves are present throughout the structure of the heart to prevent backflow. This is because the blood inside the heart is under very high pressure and will try to escape through backflow. If backflow were to be allowed, the efficiency of the heart would decrease drastically as it would have to keep pumping the escaped blood again and again. This is why valves are so important.
The structure of the human heart is as follows. The tricuspid valve is present between the right auricle and right ventricle whereas the bicuspid valve is present between the left auricle and left ventricle.
Valves like the semilunar valve are present between the ventricles and pulmonary artery and aorta. The semilunar valves are called pulmonary valves and aortic valves respectively. Their function is to prevent the blood from flowing back into the ventricles after it has been pumped out.
So, the correct option is ‘Left auricle and left ventricle.’
Note: -Improper functioning of the valves is known as the valvular disease. This results in the backflow of some of the blood which is called regurgitation.
-The most common valvular disease is Congenital Heart Defect (CHD).
-The valvular disease can be treated by repairing or replacing the improper valve.
Complete answer:
Valves are present throughout the structure of the heart to prevent backflow. This is because the blood inside the heart is under very high pressure and will try to escape through backflow. If backflow were to be allowed, the efficiency of the heart would decrease drastically as it would have to keep pumping the escaped blood again and again. This is why valves are so important.
The structure of the human heart is as follows. The tricuspid valve is present between the right auricle and right ventricle whereas the bicuspid valve is present between the left auricle and left ventricle.
Valves like the semilunar valve are present between the ventricles and pulmonary artery and aorta. The semilunar valves are called pulmonary valves and aortic valves respectively. Their function is to prevent the blood from flowing back into the ventricles after it has been pumped out.
So, the correct option is ‘Left auricle and left ventricle.’

Note: -Improper functioning of the valves is known as the valvular disease. This results in the backflow of some of the blood which is called regurgitation.
-The most common valvular disease is Congenital Heart Defect (CHD).
-The valvular disease can be treated by repairing or replacing the improper valve.
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