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