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BIOLOGY

Biology
Function of heart in human body

To release energy
None of these
To increase temperature
Work like pumping machines

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Biology
Function of hemoglobin is

None of these
Destruction of bacteria
To transport oxygen
To check the loss of blood

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Biology
At the time of inspiration the diaphragm

Does not under any change
Contract
Expand
Relaxed

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Biology
Rate of breathing in a minute by man is

70-72
20-25
15311
16-18

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Biology
The C shape of the tracheal cartilages is important because

Allows for expansion or contraction of the trachea
Divide the nasal cavity
Provide a surface for the sense of smell
All of these

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