Girl Stuff
Boy Stuff
Fertilization
Puberty
Random Facts
100
What is a female gamete called?
ova
100
The tube that carries the urine or the sperm.
The Urethra
100
Which is bigger, the ova or a sperm.
The ova.
100
The hormone that results in puberty in boys.
Testosterone
100
What is menopause?
When a women stops having her period because she is out of eggs.
200
On average, how often is an ova released from the ovaries?
Every 28 days.
200
The tube that transports sperm from the epididymis to the urethra.
The Vas Deferens.
200
What part of the sperm contains the male DNA?
The head.
200
The hormone that produces puberty in females.
Estrogen
200
Why is some of the male reproductive system outside the body?
Temperature Regulation
300
What are the tubes called that transport the ova from the ovary to the uterus.
Fallopian Tubes
300
Testicles are responsible for producing these two things.
Sperm and Testosterone
300
What does the sperm have that enables it to burrow into the ova?
An enzyme in the head that allows it to dissolve a whole in the outer membrane of the ova.
300
Why are teenagers always so tired in the morning?
Too much melatonin in their bodies.
300
What are the three parts of the sperm?
Head, Body, Tail
400
The part in a women's reproductive system where the fetus grows.
The uterus.
400
Stores the sperm after it is produced in the testes.
The epididymis.
400
Why can only one sperm fertilize an ova?
As soon as the first sperm makes it inside the egg, there is a chemical reaction that almost hardens the outside layer of the egg.
400
This type of hair grows in the genital areas of both boys and girls once they have begun puberty.
Pubic Hair
400
How does an identical twin develop?
One egg splits into two separate cells.
500
Why does a girl get her period?
If the ova is not fertilized, the uterine lining will be shed.
500
Produces a nutrient rich fluid that gives sperm energy to move.
Seminal Vesicles.
500
What is a fertilized egg called?
A zygote.
500
Three things that are common to boys and girls in puberty
Acne, Growth Spurt, Body odor, Hair Growth
500
If a cell inherits and X chromosome from an ova and Y chromosome from a sperm, will that cell develop into a boy or a girl?
A boy
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