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प्रश्न
Mention the function of ‘Alveoli’.
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उत्तर
- Alveoli are tiny air sacs in the lungs.
- They are the workhouses of the respiratory system.
- The exchange of oxygen and carbon dioxide takes place in the alveoli of the lungs.
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संबंधित प्रश्न
Explain the functional correlation of the circulatory system with respiratory, digestive and excretory system.
Take a large sheet of thick paper, about the height of a child in the class. Put it on the wall as shown in the picture and secure it with tapes. Ask one student to stand against it and another to draw the outline of the body. Now get other students to point out the right places of the following organs within the outline - the brain, lungs, heart, and stomach. Now recall the following details about each of the organs. (1) In which cavity of the body is it situated? (2) What is its function? (3) Which are the bones that protect it?
Circulatory system transports these throughout the body
Arrange in Correct sequence
Stomach → Large intestine → Oesophagus → Pharynx → Mouth → Small Intestine → Rectum → Anus
The human body functions normally at a temperature of about _____
Match the following.
| Organ | Elimination | |
| Skin | a. | Urine |
| Lungs | b. | Sweat |
| Intestine | c. | Carbon dioxide |
| Kidneys | d. | Undigested food |
Higher Order Thinking Skill
Why your doctor advises you to drink plenty of water?
Which is the largest organ in the human body?
The voice box is called ______.
______ acts as a thermoregulatory organ.
