Question
‘Lubb-dupp’ sound is produced due to the action
ofSolution
The heart produces the "lubb-dupp" sound. The "lubb" sound is due to the closing of atrioventricular (AV) valves, and the "dupp" sound is due to the closure of semilunar valves during the cardiac cycle. Information Booster:
- The heartbeat is a rhythmic contraction and relaxation of the heart muscles.
- The sounds are diagnostic indicators of heart health.
- A stethoscope amplifies these sounds for clinical analysis.
Even small oysters can produce reasonably large pearls, although the older and larger the shell, the great the chance of finding a good-sized pearl.
Select the most appropriate option to fill in blank.
In the following passage, some words have been omitted and indicated by a number. Select the most appropriate word from the given options pertaining to...
Find the appropriate word.
Select the most appropriate option to fill in blank number 3
5
Fill the blank 2.
What is the meaning of the phrase ‘ paid lip service ’ as used in the passage?
Find the appropriate word.
Fill in the blank with the appropriate word.
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