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