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What is the role of bronchi in the respiratory system?

Important Questions on Respiration and Gas Exchange

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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Olfactory receptors are located in our:
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Rings of cartilage are present in
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Rings of _____ are present in the throat to ensure that the air passage does not collapse.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Hiccups in humans generally occur due to the forceful downward shifting of the _____.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans

Answer the following:

How are alveoli designed to maximise the exchange of gases?

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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Tracheal ring in human consist of following
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
_____ respire through lungs.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Give reason for the following:
The lung alveoli are covered with blood capillaries.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Explain various parts of upper respiratory system.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Draw a neat diagram of the respiratory organ in humans and label the bronchus and alveolus.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Give reason for the following:
The wall of the trachea is supported by cartilage rings.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Draw a diagram of human respiratory system and label- pharynx, trachea, lungs, diaphragm and alveolar sac on it.
MEDIUM
Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
What is the role of cartilaginous rings in trachea ?
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans

Study the given diagram showing the section through an alveolus and capillary.

Which of the following best describes the concentration of oxygen at X, Y and Z.

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EASY
Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
State the function of alveoli in the lungs.
MEDIUM
Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Explain the process by which inhalation occurs during breathing in human beings.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
How are the alveoli designed to maximize the exchange of gases?
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
How are respiratory gases transported in human beings?
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
What is the function of the epiglottis in a man? Draw a labelled diagram showing the human respiratory system.
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Biology>Physiology>Respiration and Gas Exchange>Gas Exchange in Humans
Draw a diagram showing human respiratory system. Label its following parts: (i) Larynx (ii) Trachea (iii) Primary Bronchus (iv) Lungs.
Why do the walls of the trachea not collapse when there is less air in it?