WorksheetsReproductive system
Total questions: 20
Worksheet time: 15mins
Sperm are produced in the
Bladder
Testes
Scrotum
Ovaries
Human eggs are usually fertilized in the
Uterus
Ovary
Oviduct
Cervix
Which of the following is NOT true about the placenta?
The placenta protects baby from drugs the mother uses.
The mother's blood does not mix with the baby's blood in the placenta.
Waste is passed from the embryo through the placenta into the mother's blood.
The placenta prevents some diseases from spreading from the mother to the embryo.
What happens during labor?
Strong muscular contractions push the baby out.
The fetus develops a heartbeat.
The umbilical cord is tied and cut.
Strong muscular contractions of the uterus cause the cervix to enlarge.
The release of a mature egg into an oviduct is called
menstruation
menstrual cycle
ovulation
fertilization
A ___________ is formed when fertilization occurs.
embryo
zygote
fetus
sperm
Sex cells have __________ the number of chromosomes of other body cells.
twice
half
same
none of the above
Which is the correct order of human development?
fetus, embryo, zygote
zygote, embryo, fetus
embryo, fetus, zygote
zygote, fetus, embryo
An egg develops, goes into the oviduct, then travels to the uterus; this is known as
Ovulation
Menstruation
Fertilization
the menstrual cycle
