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प्रश्न
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?
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उत्तर
(1) Brain: Brain is situated in the cranial cavity. Skull protects the brain. Brain controls all the movements of body. We become aware of emotions due to the brain. Brain interprets the information collected by the sensory organs.
(2) Lungs and heart: Pair of lungs and heart located between the lungs are well protected in the thoracic cavity. Heart and lungs are present inside rib cage. Lungs help to supply air that we breathe into the entire body. Oxygen is mixed in blood inside the lungs.
(3) Stomach: Stomach is present in the abdominal cavity. Stomach is not protected by bones, but strong muscular wall protects it. Food is stored for some time here, is churned and partially digested.
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संबंधित प्रश्न
Explain the functional correlation of the circulatory system with respiratory, digestive and excretory system.
Explain the differences.
External and internal respiration
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 |
Why do we sweat?
Higher Order Thinking Skill
Can you guess why there are sweat glands on the palm of our hands and the soles of our feet?
A group of organs that work together to perform a particular function is known as ______.
List the major organ system of our body.
The voice box is called ______.
______ acts as a thermoregulatory organ.
