Characteristics of body which help to distinguish between male and females are called sexual characters
They are of 2 types
Primary Sexual Characteristics
The sexual characteristics which are present at birth are called primary sexual characteristics
They help to distinguish male and females
These are the different reproductive organs of males and females
Example
Males have penis and testes
Females have uterus, ovaries and oviducts
Image - Merge Penis and Ovaries from chapter 9 class 8
Secondary Sexual Characteristics
The sexual characteristics that are not present at birth but develop later at time of puberty
They also help to distinguish between males and females
Examples
In males
- Growth of facial hair i.e moustaches and beard
- Shoulders and chest become broad
- Adam’s apple develops in front of throat
- They develop a deep or a hoarse voice
In Females
- Development of breast
- Hips broaden and become more curved
- They develop a High pitched voice
Make image of primary and secondary
Questions
NCERT Question 9 (3) - Word game : Use the clues to work out the words.
Protruding voice box in boys
