Q.1. A class 6 student observed that boys of senior classes have broader shoulders and wider chests than the boys of his class.
a) Guide him to understand these changes.
b) What are these changes known as?
c) Do the girls of senior classes also show any such changes? If yes, mention a few of them.
Dear Student
a) These changes are due to onset of puberty and growth.
b) Secondary sex characteristics
c) With onset of puberty in girls region below waist becomes wider. Development of mammary glands are also sign of puberty.
Hope this information will clear your doubts about topic.
Regards
a) These changes are due to onset of puberty and growth.
b) Secondary sex characteristics
c) With onset of puberty in girls region below waist becomes wider. Development of mammary glands are also sign of puberty.
Hope this information will clear your doubts about topic.
Regards