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What is the reproductive organ in males?
The testes
Where are the testes located?
Outside of the abdominal cavity in a sac
What is the sac of tissue in the males called that stores the testes?
Scrotum
Why are the testes outside of the abdominal cavity?
Because sperm production requires a slightly lower temperature than the body temperature
What are the male sex cells that the testes produce?
Sperm
What male sex hormone does the testes produce?
Testosterone
Where are the sperm cells stored?
In the epididymis
What is the passageway for urine and semen in the male body?
The urethera
Fluids from the _______ and the ________ mix with sperm to make semen.
Prostate gland, Seminal vessel
What age do men usually have their prostate checked for prostate cancer?
40
How much chromosomes does a sperm cell have?
23
What chromosomes does a child need to get from the male and female gametes to be a male?
XY
What chromosomes does a child need to get from the male and female gametes to be a female?
YY
What are the female reproductive organs?
Ovaries
What is the female sex cell called?
Ova cells
What is ovulation?
The release of ova cells by the ovary
When does ovulation begin?
Puberty
When is an ova cell released?
Once a month
Where do ova cells travel from the ovaries?
Fallopian tubes or oviducts
When does ovulation end?
Menopause
When is menopause?
50 years old
Where does fertilization occur?
In the fallopian tubes
What is fertilization?
The fusion of a sperm and ovum cell
What is the new cell formed after fertilization called?
A zygote
How much chromosomes does does the zygote contain?
46
Where does the zygote go after it is in the fallopian tube?
In the uterus
What makes a zygote a blastocyst?
When the zygote turns into a ball of cells
What is another word for the uterus lining?
Endometrium
What is an implantation?
When the blastocyst attaches to the uterus lining
When does the placenta form?
After the implantation
What does the placenta do? List 2 things
Separates the mother’s blood from the fetus’ blood
Allows food and oxygen to pass from the mother to the fetus
What does the umbilical cord do?
Connect the mother to the fetus
The fetus develops in a sac of tissue called the __________.
Amniotic sac
What liquid is filled in the amniotic sac?
Amniotic fluid
What does amniotic fluid do?
Cushions the fetus to absorb shock
How long does the fetus stay in the womb before it is conceived?
9 months
What mechanical ways are there to prevent fertilization? List them.
Condoms
Diaphragm
IUD (Intra-uterine device)
What chemical way is there to prevent fertilization?
Spermicides
What surgical ways do males and females do to prevent fertilization?
Vasectomy and Tubal Ligation
Note
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