Class 8 Exam > Class 8 Videos > Increase in Height and Change in Voice
Increase in Height and Change in Voice Video Lecture - Class 8
FAQs on Increase in Height and Change in Voice Video Lecture - Class 8
| 1. What causes an increase in height during puberty? |  |
Ans. During puberty, the increase in height is mainly caused by the growth plates at the ends of our long bones. These growth plates, also known as epiphyseal plates, are responsible for the lengthening of bones. As puberty starts, the growth plates become active and release growth hormones, stimulating bone growth and resulting in an increase in height.
| 2. What factors can affect the rate of height growth in individuals? | |
Ans. Several factors can influence the rate of height growth during puberty. These include genetics, nutrition, hormonal factors, and overall health. Genetics play a significant role as it determines the potential height an individual can reach. Adequate nutrition, particularly a balanced diet rich in essential nutrients like proteins, vitamins, and minerals, is also crucial for optimal height growth.
| 3. At what age do girls typically experience a growth spurt and increase in height? | |
Ans. Girls usually experience a growth spurt and increase in height around the age of 10 to 14 years. This period is known as the onset of puberty. During this time, there is a rapid growth in height as the growth plates become active and the body undergoes various hormonal changes.
| 4. Can height increase after puberty? | |
Ans. After puberty, the growth plates close, and the bones stop growing in length. Once the growth plates fuse, it is unlikely for an individual to experience any significant increase in height. However, there might be minor height changes due to factors like posture, muscle development, and changes in body composition.
| 5. How does the voice change during puberty? | |
Ans. During puberty, both boys and girls experience changes in their voice due to the growth of the larynx, also known as the voice box. In boys, the larynx grows significantly larger, causing their vocal cords to lengthen and thicken. This results in a deeper voice. Girls, on the other hand, experience some changes in their voice, but not as dramatic as boys. The voice change in both genders is influenced by hormonal changes occurring during puberty.
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Oct 24, 2024 Last updated |
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