5.3 Puberty and Hormones

What is Puberty

• Where you grow a mustache

• The physical changes that happen during adolescence

• Where you start liking alcohol

• The emotional changes that happen during adolesence

What causes puberty to occur

• No one knows

• Hormones

• Nerve impulses

• Enzymes

Which hormone controls the development of male secondary sexual charecteristics.

• testosterone

• oestrogen

• testes

• ovaries

Which hormone controls the development of female secondary sexual charecteristics.

• testosterone

• oestrogen

• testes

• ovaries

Which hormone stimulates sperm production.

• testosterone

• oestrogen

• testes

• ovaries

Which changes occur at puberty to boys and girls

• Pubic hair grows

• Underarm hair grows

• Sexual organs grow and develop

• All are correct

Which change occurs at puberty to boys

• Voice breaks

• Hips get wider

• Breasts develop

• Ovaries start to release egg cells - menstruation starts

• All are correct

Which change occurs at puberty to girls

• Voice breaks

• Hips get wider

• Hair grows on face

• Body becomes more muscular

• All are correct

What type of cell do males start to make at puberty?

• neurones

• sperm

• egg

• blood

What human body system doesn't work when we are born

• Respiratory

• Circulatory

• Reproductive

• Digestive