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प्रश्न
______ is known as pacemaker of heart.
Pacemaker of heart is _________.
विकल्प
SA node
AV node
His bundle
Purkinje fibers
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उत्तर १
SA node is known as pacemaker of heart.
उत्तर २
Pacemaker of heart is SA node.
संबंधित प्रश्न
Sketch and label the ventral view of the human heart.
The blood leaving the tissues becomes richer in:
Fill in the blank with suitable word given below:
The two lower chambers of the heart are called ___________.
Label the following diagram :
Choose the correct answer:
In mammals the opening of post caval in the right auricle is guarded by _________
Draw labelled diagram of internal structure of human heart.
Label right atrium, mitral valve, left ventricle and pulmonary semilunar valve.
Write a function of Eustachian and tricuspid valve found in human heart.
When a person suffers from chest pain, the doctor immediately takes an ECG. Visit a doctor and get information about ECG. You may even look up an encyclopaedia or the internet.
Ventricles give rise to two large blood vessels called ______ and ______.
Write the exact location of the following:
Heart
Given below is a diagram of the external features of the human heart. Study the figure and answer the questions that follows:
 |
- Label the guidelines shown as 1 to 6 in the figure.
- Write the important role of parts 5 and 6.
- Name the chamber of the heart which collects blood from the lungs through a blood vessel. Also write the name of the blood vessel.
- Write one structural and one functional difference between the blood vessels 4 and 5.
- What happens when there is a blockage in any coronary artery or any of their branches?
