Advertisements
Advertisements
प्रश्न
During inspiration, the diaphragm
विकल्प
relaxes
contracts
expands
gets folded
उत्तर
contracts
APPEARS IN
संबंधित प्रश्न
Explain with reasons.
Upward and downward movement of diaphragm occurs consecutively.
The ultimate end parts of the respiratory system in humans are known as
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 by-product formed during the oxidation of food.
Differentiate between
Aerobic respiration and Anaerobic respiration.
Explain the process of Cellular Respiration.
Name the following:
A film covering the alveoli of the lungs and lowers the surface tension.
Name the following:
Low breathing rate.
Label the diagram given below:
Very short answer question.
Name the organ which prevents the following the entry of food into the trachea while eating.
Define the term "Trachea".
____________ is the uppermost part of pharynx.
TV and ERV of an athlete are 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the RV is 1200 mL?
______ of nasal chamber warms the air and makes it moist.
Due to which of the following reason lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled?
A biochemical compound that readily combines with oxygen and distributes it throughout the human body is ____________.
Arrange in the correct sequence
Trachea → Bronchi → Pharynx → Lungs → Larynx → Nasal cavity → Nostrils → Bronchiole → Alveolus
What is the length of the Alimentary canal?
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.