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Pulmonary respiration is an (inetrnal/external) respiration.

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Important Questions on Breathing and Exchange of Gases

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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Which of the following is not the function of conducting part of respiratory system?
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The lungs are spongy and elastic due to _______.
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
A person suddenly starts coughing while swallowing food. This coughing would have been due to improper movement of
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
If the number of alveoli in an individual is doubled without changing the total alveolar volume, the gas exchange capacity of the lungs will:
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Which is the correct sequence of the air passage in man?
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Match the following
  List-I   List-II
(A) Moist body wall (I) Insects
(B) Tracheal system (II) Amphibian larvae
(C) Book lungs (III) Earthworms
(D) Gills (IV) Aves
    (V) Spiders

The correct match is
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The unpaired cartilages supporting the wall of larynx are      
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
In jelly fishes, majority of gaseous exchange takes place through the ______.
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Define pulmonary respiration.
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Lungs comprise of
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals

Read the following statements and identify the wrong ones among them:

(i) The oral cavity leads into a short larynx, which is a common opening for food and air.

(ii) A cartilaginous flap called “epiglottis” prevents the entry of food into the glottis.

(iii) The duct of the submaxillary gland is called the “Duct of Wirsung”.

(iv) Oesophagus leads into a J-shaped bag-like structure called “stomach”.

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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Name the organs of breathing in fish.
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
In the process of respiration, the exchange of gases takes place in
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Explain the structure of lungs.
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The alveoli of lungs are lined by
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Differentiate between right and left lungs.
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The volume of air in the dead space fo human lungs is normally
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Lungs have a large number of narrow tubes called:
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Why the skin of a man cannot act as a respiratory organ?
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Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Oxygen passes into the blood from the alveoli by a process called: