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Ribs and diaphragm are moved upwards in inspiration.

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Important Questions on Respiratory System

HARD
Science>Biology>Respiratory System>Mechanism of Respiration

Skin: Sweat : Lungs: _____

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Science>Biology>Respiratory System>Mechanism of Respiration
Explain the mechanism of respiration.
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Science>Biology>Respiratory System>Mechanism of Respiration
Differentiate between the two types of respiration involved in gaseous exchange.
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Science>Biology>Respiratory System>Mechanism of Respiration
How are oxygen and carbon dioxide transported in human beings? How are lungs designed to maximize the area for exchange of gases?
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Science>Biology>Respiratory System>Mechanism of Respiration
Which among the following will have higher breathing rate?
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Science>Biology>Respiratory System>Mechanism of Respiration
Describe the mechanism of breathing in human beings.
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Science>Biology>Respiratory System>Mechanism of Respiration
” Breathing cycle is rhythmic, whereas the exchange of gases is a continuous process”. Justify this statement.
HARD
Science>Biology>Respiratory System>Mechanism of Respiration
A person suffers punctures in his chest cavity in an accident, without any damage to the lungs its effect could be
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Science>Biology>Respiratory System>Mechanism of Respiration
When we inhale, nitrogen also goes inside along with oxygen. This nitrogen is:
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Science>Biology>Respiratory System>Mechanism of Respiration

Differentiate between external and internal (or cellular) respiration.

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Science>Biology>Respiratory System>Mechanism of Respiration
With the help of an experiment demonstrate the mechanism of breathing.
EASY
Science>Biology>Respiratory System>Mechanism of Respiration
During which phase of breathing diaphragm moves downward and becomes flat?
MEDIUM
Science>Biology>Respiratory System>Mechanism of Respiration
State the role of following in the human respiratory system:
Diaphragm.
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Science>Biology>Respiratory System>Mechanism of Respiration
What role is played by diaphragm in your body?
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Science>Biology>Respiratory System>Mechanism of Respiration
Why does the rate of breathing increase by 20 to 25 times per minute during vigorous exercise?
MEDIUM
Science>Biology>Respiratory System>Mechanism of Respiration
Explain the mechanism of breathing.
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Science>Biology>Respiratory System>Mechanism of Respiration
State how is the process of breathing brought about in our body.
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Science>Biology>Respiratory System>Mechanism of Respiration
List four conditions required for efficient gas exchange in an organism?
HARD
Science>Biology>Respiratory System>Mechanism of Respiration
Describe the mechanism of breathing.
MEDIUM
Science>Biology>Respiratory System>Mechanism of Respiration
Relaxation of rib muscles and diaphragm leads to: