At puberty, the voice box or the larynx begins to grow. So that boys develop larger voice boxes. It can be see as a protruding part of the throat called Adam’s apple. In adolescent boys, sometimes, the muscles of the growing voice box go out of control and the voice becomes hoarse.
Question
Why many of the boys have a hoarse voice?
- Reaching the age of adolescence CBSE Class 8
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💡 Some Related Questions
Observe the given chart and graph carefully and answer the questions that follow. (i) Which of the line represents the height of boys? (ii) Which line represents the height of girls? (iii) What is the difference between the pattern of increase in the height of boys and girls? (iv) Is this pattern true for each individual?
| Age in years | % of full height | |
| Boys | Girls | |
| 8 | 72% | 77% |
| 9 | 75% | 81% |
| 10 | 78% | 84% |
| 11 | 81% | 88% |
| 12 | 84% | 91% |
| 13 | 88% | 95% |
| 14 | 92% | 98% |
| 15 | 95% | 99% |
| 16 | 98% | 99.5% |
| 17 | 99% | 100% |
| 18 | 100% | 100% |
Open Answer »
John and Radha were classmates since childhood. When Radha became eleven years old, she developed a little swelling on her neck. She visited the doctor who started medication for her. After a few years, John also developed a slight protrusion on his throat. He got worried and went to the doctor. But, the doctor assured him that it was a normal feature in boys while they are growing up. Can you think of any reasons for the difference in diagnosis?
Open Answer »Given below are certain food items required for proper nourishment of adolescents. Name the nutrients present in the food items and write their functions.
| Food items | Major nutrient | Functions | |
| 1. | Pulses and nuts | ||
| 2. | Oranges and amla | ||
| 3. | sugar, roti | ||
| 4. | oils | ||
| 5. | Vegetables |
