PREGNANCY

Question 1

What happens to the fertilised egg?

Answer 1

It travels along the uterus and grows into an embryo, this attaches to the wall of the uterus and the placenta forms.

Question 2

What is the placenta?

Answer 2

It is an organ responsible for providing oxygen and nutrients such as glucose for thé fétus to grow.

Question 3

What substances does placenta remove?

Answer 3

Carbon dioxide and urea

Question 4

What is the definition of diffusion?

Answer 4

The movement of particles from an area of high concentration to an area of low concentration.

Question 5

What does the amniotic sac protect the fétus from?

Answer 5

Bumps/knocks
Some infections
Changes in temperature

Question 6

How does the placenta protect the fétus?

Answer 6

Many pathogenic microbes are prevented from passing to the fetus

Question 7

How do antibodies help the fetus?

Answer 7

Fight infection

Question 8

Umbilical cord

Answer 8

Takes oxygen and food from mother’s blood and puts waste into the mother’s blood