Reproduction Flashcards
What happens to boy and girls at puberty?
Boys tend to get taller and wider while girls have periods and develop wider hips.
How long does the menstral system last for?
28 days
How is an egg specialised?
It has a tough over layer and a food store?
How is a sperm cell specialised?
It has a tail and a streamlined head
How long is a period?
1-5 days
Which sex develops breasts?
Women/females
Which sexes muscles get larger?
Men/males
What age does puberty start? And how long does it last for?
Age 10-14 and last for about 3 years.
What is the difference between menstruation and ovulation?
Ovulation is when the egg is ready to be released from the ovary. While menstruation is when the egg wasn’t fertilised and the uterus lining breaks up and lost through the the vagina
Why do girls need more iron in their diets than boys?
They do to replace the blood cells they lost during their period
What activates the egg during the menstrual cycle?
A hormone from the brain
What is the uterus made up of?
It is made up of a muscle with a lining
What does the process of ovulation involve?
It is when the egg is ready to be released from the ovary
If an egg isn’t fertilised how long does it last for?
It lasts for 12-24 hours
What makes the egg move along the oviduct?
Cilia moves the egg along