Advertisements
Advertisements
Question
The rhythmic expansion and contraction of the heart is called ______.
Advertisements
Solution
The rhythmic expansion and contraction of the heart is called heartbeat.
Explanation:
The heartbeat ensures the continuous flow of blood, delivering oxygen and nutrients to the body while removing waste products.
APPEARS IN
RELATED QUESTIONS
What is meant by 'heart beat'? What is the usual heart beat rate at rest?
The wave of expansion of an artery when blood is forced into it is called:
Initiation and stimulation of heartbeat take place by nerves.
What are heart sounds? How are they produced?
Explain the conduction of heartbeat.
Doctors use the stethoscope to hear the sound of the heart. Why?
What is the pulse rate?
Observe figure and answer the given questions:
- Name the instrument.
- Label parts A, B and C.
The 'Lub' and "Dub" heart sound are due to ______.
What is pulse?
