Sex and Gender story board
Sex chromosomes: These chromosomes determine gender. Human cells contain two sex chromosomes. If you're female, you have two X chromosomes, and if you're male, you have an X and a Y chromosome.
Boys contain high amounts of testosterone and girls contain oestrogen
The foetus relies upon its mother as it develops. These are some of the things it needs: protection oxygen nutrients (food and water). It also needs its waste substances removing. The foetus is protected by the uterus and the amniotic fluid, a liquid contained in a bag called the amnion.
Here are some changes that happen to both boys and girls: pubic hair grows underarm hair grows Here are some changes that happen to boys only: voice breaks - gets deeper hair grows on face and body body becomes more muscular testes and penis get bigger testes start to produce sperm cells Here are some changes that happen to girls only: hips get wider breasts develop ovaries start to release egg cells - periods start
Instincts if someone throws a ball at you, your instinct is to catch it
At the moment in terms of gender traits girls usually do stuuf like ccoking and cleanung and are more caring. Boys are brave and much more athletic
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