Physical Development In Adolescence

Question 1

Adolescence

Answer 1

(9-18 years old) is an important status where puberty begins which a child develops into an adult

Question 2

Difference between primary sexual and secondary sexual characteristics

Answer 2

• primary sexual characteristics: relate to the changes and development of reproductive organs ( that are present at birth and mature when sex hormones are release)
• secondary sexual characteristics: are outward signs of development from a child into a man or woman( develop when sex hormones are release)

Question 3

Puberty

Answer 3

During adolescence young people experience a physical changed. This takes place in girls around 11-13 yrs and in boy 13-15 yrs

Question 4

How does puberty starts

Answer 4

It starts when a hormone in the brain sends a signal to the pituitary gland which releases hormones that stimulate the ovaries for girls and the testes for boys to produce sex hormones

Question 5

The role of hormones in sexual development

Answer 5

In boys: testosterone produce by the testes

In girls: oestrogen and progesterone produce by the ovaries

Question 6

Primary sexual characteristics

Answer 6

• Girls: menstruation begins, uterus and vagina grow, ovulation occurs
• Boys: penis enlarges , prostate gland produces secretion, testes enlarged and produce sperm

Question 7

Secondary sexual characteristics

Answer 7

• Girls: growth or armpit and pubic hair, increase layers of fat under the skin, breasts enlarge, growth spurt( height increase rapidly), hips widen
• Boys: growth of facial hair, growth of armpit and pubic hair, increased muscle, growth spurt, Larynx grows causing voice to deepen