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How many chambers does a heart have ?

4
5
6
7

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it has 4 chambers which are the two upper chambers are called the left and right atria and two lower chambers are called the right and left ventricles.

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The thick wall of muscle separating the right side and the left side of the heart is known as

Alveoli
Septum
Myocardium.
Purkinje

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Which is a impulse-generating (pacemaker) tissue in heart ?

Alveoli node
Septum node
Sinoatrial node
Purkinje node

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Also called the sinus node is the impulse-generating (pacemaker) tissue located in the right atrium of the heart, and thus the generator of normal sinus rhythm.

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When the human heart starts beating, its speed is ?

75-80 beats per minute
90-100 beats per minute
110-115 beats per minute
125-130 beats per minute

EHR.jpg

The human heart begins beating at a rate near the mother’s, about 75-80 beats per minute.

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In which week afer conception, the heart rate is maximum ?

4th week
8th week
12th week
16th week

EHR.jpg

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The heart is protected and contained in

Pericardium
Septum
Myocardium
Purkinje

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It is a double-walled sac that contains the heart and the roots of the great vessels.

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How many valves does a human heart has ?

3
4
5
6

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These are tricuspid valve, the mitral valve, the aortic valve, and the pulmonary valve.

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Which of these is not a valve ?

Tricuspid
Mitral
Aortic
Purkinje

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These are tricuspid valve, the mitral valve, the aortic valve, and the pulmonary valve.

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Which of the following is a heart function

Metabolism
All
Pumping blood
Exchange oxygen

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The heart pumps blood through the network of arteries and veins called the cardiovascular system. The coronary arteries run along the surface of the heart and provide oxygen-rich blood to the heart muscle.

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Oxygenated blood is carried to the body organs by the

Arteries
Veins
Nerves
Valves

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Arteries carry oxygenated blood from the heart to the organs while the veins carry impure blood from the organs to the heart.

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