Reproduction - Human Growth

1. When a fertilized egg divides and forms a ball of cells, it is known as

A) a nucleus
B) a fetus
C) an embryo
D) an implant

2. Where does implantation occur and the zygote develop

A) in the vagina
B) in the ovary
C) in the fallopian tube
D) in the uterus

3. The developing embryo is fed by its mother’s blood through an organ called the

A) placenta
B) amnion
C) vagina
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 amniotic fluid
B) the spinal cord
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) 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) 25
B) 48
C) 17
D) 40

8. A child is considered an infant until it reaches what age?

A) 3 years
B) 2 years
C) 1 year
D) 5 years

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) six to ten
B) one
C) several million
D) a few hundred

11. Which of the following is a characteristic of the placenta?

A) It’s an exchange organ between mother and embryo.
B) It becomes an organ in the developing embryo.
C) It contracts to help the mother give birth.
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) the umbilical cord
B) the uterus
C) the amnion
D) a fallopian tube

14. Which of the following is a characteristic of infancy?

A) You begin to run
B) You begin to read
C) You need little sleep
D) Baby teeth appear

Students who took this test also took :

Main Idea
Human body systems
unit 5 week 3

Created with That Quiz — where test making and test taking are made easy for math and other subject areas.