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Earn 100

Experiment to demonstrate the action of the diaphragm during breathing.

Important Questions on Respiratory System

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Why does the rate of breathing increase by 20 to 25 times per minute during vigorous exercise?
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State how is the process of breathing brought about in our body.
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State the role of following in the human respiratory system:
Diaphragm.
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What role is played by diaphragm in your body?
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Differentiate between the two types of respiration involved in gaseous exchange.
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Which among the following will have higher breathing rate?
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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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Differentiate between external and internal (or cellular) respiration.

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What is meant by breathing? What happens to the rate of breathing during vigorous exercise and why?
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Relaxation of rib muscles and diaphragm leads to:
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Describe the mechanism of breathing in human beings.
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” Breathing cycle is rhythmic, whereas the exchange of gases is a continuous process”. Justify this statement.
EASY
During which phase of breathing diaphragm moves downward and becomes flat?
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When we inhale, nitrogen also goes inside along with oxygen. This nitrogen is:
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With the help of an experiment demonstrate the mechanism of breathing.