B3 Reproduction Flashcards
What is puberty?
This is when your body goes through physical changes during adolescence.
Between what ages does puberty take place?
Around 9-14
Do girls generally start puberty before boys?
Yes
What are 3 changes that happen to both boys and girls during puberty?
Your pubic and underarm hair grows, body odour, growth spurt, emotional changes.
What happens to girls during puberty?
Breast develop, ovaries start to release eggs, periods start, hips widen.
What happens to boys during puberty?
Voice breaks- gets deeper, testes and penis get bigger, testes start to produce sperm, shoulders widen, hair grows on face and chest.
Where are female sex hormones made?
In the ovaries.
Where are male sex hormones made?
In the testes.
What is the testes and what do they do?
There are 2 testes contained in a bag of skin called the scrotum. The testes produce sperm cells and the male sex hormones.
What is the glands and what do they do?
They produce nutrients that help to keep sperm alive.
What is the semen?
The mixture of sperm and fluid.
What is the urethra?
A tube that carries urine from the bladder out of body or sperm from the sperm duct.
What causes all the changes in your body during puberty?
Sex hormones
What do the ovaries do?
They contain egg cells. One egg cell is released every month.
What do the oviducts do?
They carry an egg to the uterus.
What does the uterus do?
This is where a baby develops until it is born.
What does the cervix do?
This is a ring of muscle at the entrance to the uterus. It keeps the baby in place while the woman is pregnant.
What does the vagina do?
This receives the sperm during sexual intercourse.
