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प्रश्न
Which of the following statements is incorrect regarding respiratory system?
पर्याय
Each terminal bronchiole give rise to a network of bronchi.
The alveoli are highly vascularised.
The lungs are covered by a double-layered membrane.
The plecral fluid reduces friction on the lung surface.
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उत्तर
The lungs are covered by a double-layered membrane.
APPEARS IN
संबंधित प्रश्न
What is wrong in the statement "We breathe in oxygen and breathe out carbon dioxide".
Starting from the nostrils, trace the path in sequence which the inspired air takes until it reaches the air sacs.
The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.
Study the diagram carefully and explain briefly the following :
Expiratory reserve volume (ERV)
The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.
Study the diagram carefully and explain briefly the following :
Vital capacity (VC)
Name the following:
Respiratory process in which oxygen is not utilized.
Name the following:
The two membranes which protect the lungs.
What happens to the energy liberated during respiration?
Write true or false for the following statement. Rewrite the false statement correctly.
The trachea branches into two tubes called bronchioles.
Arrange the following organs in the correct order to show the path of air.
trachea, nose, bronchioles, bronchi, larynx, alveoli, pharynx, lungs
Differentiate between
bronchi and alveoli.
Why is it better to breathe through your nose than your mouth?
Discuss the function of the diaphragm in breathing.
Very short answer question.
Name the organ which prevents the following the entry of food into the trachea while eating.
Arrange in the correct sequence
Trachea → Bronchi → Pharynx → Lungs → Larynx → Nasal cavity → Nostrils → Bronchiole → Alveolus
Diaphragm forms the ______ of the chest cavity.
Pick the odd one out from the group given below on the basis of respiratory organ. Give reason for your answer.
What is the significance of ciliated epithelium present in the nostrils?
Measure the breathing rate of the members of your family and some of your friends. Investigate:
- If the breathing rate of children is different from that of adults.
- If the breathing rate of males is different from that of females If there is a difference in any of these cases, try to find the reason.
