Advertisements
Advertisements
Question
List changes in the body that take place at puberty.
Solution
Girls' bodies undergo the following changes during puberty:
- A sudden increase in height.
- The pelvic region opens, the hips broaden, and the breasts grow in size. Mammary glands grow inside the breasts.
- The muscles in the body expand to create an hour-glass appearance.
- Girls develop a high, beautiful voice.
- During puberty, sweat and sebaceous glands become more active, particularly on the face. This causes acne and pimples on the face.
- The ovaries expand, and the maturation and release of eggs begin. This results in the commencement of the menstrual cycle and the the development of sexual organs.
- Growth of pubic and armpit hair.
Boys' bodies go through the following changes during puberty:
- A sudden increase in height.
- The shoulders broaden and the chest expands.
- Boys have larger muscles than girls.
- The voice box, also known as the larynx, begins to expand and protrudes from the throat as Adam's apple. Boys develop deep voices.
- Sweat and sebaceous glands become more active.
- Male sex organs such as the testes and penis reach full development.
- Growth of pubic and armpit hair. Along with this, facial hair (beard and moustache) grows.
APPEARS IN
RELATED QUESTIONS
What is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body?
Prepare a table having two columns depicting names of endocrine glands and hormones secreted by them.
Write notes on Adam’s apple.
During puberty, the region below the waist become wider in _______.
There is a sudden increase in the height of both boys and girls during puberty.
Making use of disposable napkins or tampons may increase the chances of infections.
Making use of disposable napkins or tampons may increase the chances of infections.
List out the changes which occur during puberty.
Mention any two features of each that are seen in boys and girls which distinguish them from each other at puberty.
During adolescence, the body of boys and girls undergoes certain changes. Given below are few of those changes.
- Broad shoulders
- Wider chests
- Wider region below waist
- Development of muscles
- Development of mammary glands
- Growth of facial hair
- Acne and pimples on face
- Development of sex organs
- High-pitched voice
- Growth of pubic hair
Categorise these changes into those that occur in boys and those that occur in girls and fill in the table given below.
Body changes during adolescence.
Boys | Girls |
______ | ______ |
______ | ______ |
______ | ______ |
______ | ______ |
______ | ______ |
______ | ______ |
______ | ______ |
______ | ______ |
______ | ______ |
______ | ______ |