Advertisements
Advertisements
प्रश्न
Explain the following:
Why is the SA node called the pace-maker of the heart?
उत्तर
The SA is also called the pacemaker because it establishes the basic frequency at which the heart beats. It starts each heart beat and sets the pace for the whole heart.
APPEARS IN
संबंधित प्रश्न
Which of the following is mesodermal is the origin?
Explain the Term
Electrocardiogram (ECG)
Complete the following sentence with appropriate word:
The ______ is the most powerful organ in the circulatory system.
Complete the following sentence with appropriate word:
The average heartbeat rate is ____ beats per minute in human being.
Give scientific reason.
Human heart is called as myogenic and autorhythmic.
Describe the structure and working of the human heart.
How many times per healthy man beats?
Valves are present in ______.
Explain the term Ligamentum arteriosum.
A man's heart rate is 68 and cardiac output is 5440. Find the stroke volume.
