Advertisements
Advertisements
प्रश्न
Give Suitable Explanation for the Following :
Breathing through the nose is said to be healthier than through the mouth.
Advertisements
उत्तर
Breathing through the nose is said to be healthier than through the mouth because the hair present in the nostrils prevent large dust particles from entering inside the respiratory system.
APPEARS IN
संबंधित प्रश्न
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 :
Residual volume (RV)
Write true or false for the following statement. Rewrite the false statement correctly.
The walls of alveoli are richly supplied with veins.
Find the odd one out. Give a reason for your choice.
ureter, kidney, urinary bladder, lung, urethra
Define the following:
Sneeze Reflex
Name the following:
Painful breathing.
Alveoli provide the surface area for exchange of ______.
____________ prevents the entry of food into respiratory tract.
______ of nasal chamber warms the air and makes it moist.
The pulmonary artery carries blood from the lungs to the left atrium.
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.
