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प्रश्न
Explain the differences.
External and internal respiration
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उत्तर
| External respiration | Internal respiration |
| 1. It occurs between the body and the external environment. | It occurs at the cellular level. |
| 2. It is a mechanical process. | It is a chemical process. |
| 3. It can be both - voluntary and involuntary action. | It is only an involuntary action. |
संबंधित 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?
What do you do when someone touches you and you feel uncomfortable?
Which organ controls thinking, speaking, and learning. Write its three important parts.
Circulatory system transports these throughout the body
Mention the function of ‘Alveoli’.
Name the processes by which air enters and comes out of our lungs.
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 |
Which is the largest organ in the human body?
List the major organ system of our body.
