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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) a fetus
B) a nucleus
C) an embryo
D) an implant
  • 2. Where does implantation occur and the zygote develop
A) in the ovary
B) in the fallopian tube
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) amnion
B) vagina
C) uterus
D) placenta
  • 4. What cells begin to form early on in the developing embryo
A) blood cells
B) lung cells
C) eye cells
D) ear cells
  • 5. The developing embryo is connected to the placenta by
A) the spinal cord
B) the umbilical cord
C) the amniotic fluid
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 zygote
B) an embryo
C) a newborn
D) a fetus
  • 7. A mother goes into labor, and a fetus is ready to be born after approximately how many weeks?
A) 17
B) 48
C) 40
D) 25
  • 8. A child is considered an infant until it reaches what age?
A) 1 year
B) 3 years
C) 5 years
D) 2 years
  • 9. During puberty, an adolescent’s body goes through what change?
A) There is loss of flexibility.
B) The reproductive system matures.
C) Eyesight deteriorates.
D) Permanent teeth appear.
  • 10. Ordinarily, how many sperm fertilize a female’s egg?
A) a few hundred
B) six to ten
C) one
D) several million
  • 11. Which of the following is a characteristic of the placenta?
A) It contracts to help the mother give birth.
B) It becomes an organ in the developing embryo.
C) It’s an exchange organ between mother and embryo.
D) It contains very few blood vessels.
  • 12. The mother’s muscle contractions that help a baby to be born are called
A) the placenta
B) full-term
C) the uterus
D) labor
  • 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) Baby teeth appear
B) You begin to run
C) You begin to read
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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