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Reproduction - Human Growth
Contributed by: Lefebvre
  • 1. When a fertilized egg divides and forms a ball of cells, it is known as
A) an embryo
B) a fetus
C) a nucleus
D) an implant
  • 2. Where does implantation occur and the zygote develop
A) in the fallopian tube
B) in the ovary
C) in the uterus
D) in the vagina
  • 3. The developing embryo is fed by its mother’s blood through an organ called the
A) vagina
B) amnion
C) uterus
D) placenta
  • 4. What cells begin to form early on in the developing embryo
A) eye cells
B) lung cells
C) ear cells
D) blood cells
  • 5. The developing embryo is connected to the placenta by
A) the amniotic fluid
B) the umbilical cord
C) the developing nerves
D) the spinal cord
  • 6. After week 9 or 10 of pregnancy, the developing human acquires features and is then referred to as
A) a newborn
B) an embryo
C) a fetus
D) a zygote
  • 7. A mother goes into labor, and a fetus is ready to be born after approximately how many weeks?
A) 40
B) 17
C) 48
D) 25
  • 8. A child is considered an infant until it reaches what age?
A) 3 years
B) 5 years
C) 2 years
D) 1 year
  • 9. During puberty, an adolescent’s body goes through what change?
A) There is loss of flexibility.
B) Permanent teeth appear.
C) Eyesight deteriorates.
D) The reproductive system matures.
  • 10. Ordinarily, how many sperm fertilize a female’s egg?
A) six to ten
B) a few hundred
C) one
D) several million
  • 11. Which of the following is a characteristic of the placenta?
A) It’s an exchange organ between mother and embryo.
B) It contains very few blood vessels.
C) It contracts to help the mother give birth.
D) It becomes an organ in the developing embryo.
  • 12. The mother’s muscle contractions that help a baby to be born are called
A) full-term
B) the placenta
C) labor
D) the uterus
  • 13. Your navel is the place on your body that was once attached to
A) a fallopian tube
B) the uterus
C) the umbilical cord
D) the amnion
  • 14. Which of the following is a characteristic of infancy?
A) You begin to read
B) Baby teeth appear
C) You begin to run
D) You need little sleep
Students who took this test also took :
Main Idea
Human body systems
unit 5 week 3
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