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प्रश्न
Name the processes by which air enters and comes out of our lungs.
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उत्तर
- The process of taxing air into the lungs is called inspiration or inhalation.
- The process of expelling air from the lungs is called expiration or exhalation.
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संबंधित प्रश्न
Complete the following table.
| Organ system | Organs | Functions |
| 1. Respiratory | ||
| 2. Circulatory system |
Explain the functional correlation of the circulatory system with respiratory, digestive and excretory system.
Explain the differences.
External and internal respiration
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?
What will happen if the diaphragm shows no movement?
Match the following.
| Organ | Elimination | |
| Skin | a. | Urine |
| Lungs | b. | Sweat |
| Intestine | c. | Carbon dioxide |
| Kidneys | d. | Undigested food |
Higher Order Thinking Skill
Can you guess why there are sweat glands on the palm of our hands and the soles of our feet?
Which is the largest organ in the human body?
A group of organs that work together to perform a particular function is known as ______.
______ acts as a thermoregulatory organ.
