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EVERYDAY SCIENCE - HUMAN REPRODUCTION

Question 2

Ace was once a developing baby in his mother’s womb. The simplified diagram shows the direction of substances moving through his umbilical cord.

Answer 1

Fill in the blanks with the keywords provided below.
[reproductive cells] • [characteristics] • [water] • [parents to young] • [digested food] • [fertilisation] • [oxygen] • [carbon dioxide]

a) Name the substances transported through the umbilical cord while Ace was a developing baby.

Answer:

and were transported to Ace. Ace’s body cells use these substances to carry out respiration.
was also transported to Ace.
and waste materials were transported away from Ace to his mother.


b) State the similarities between human reproduction and the reproduction of flowering plants.

Answer:

Both require male and female . These cells will combine in a process called .
are passed on from .




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“Baby elephants develop in their mother’s womb for approximately 95 weeks. Therefore elephant mothers have the longest pregnancy period of all mammals.”