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6. What is the period when both emotional and physical changes occur?

  • menstruation
  • Adolescence
  • Puberty
  • external development

7. Once the fertilised egg cell divides into a ball of cells, what happens next?

  • The embryo travels to the oviducts where it sinks into their lining
  • The embryo travels to the uterus where it sinks into the uterus lining.
  • The embryo travels to the ovaries where it sinks into their lining.
  • the embryo travels to the vagina where it sinks into its lining.

8. What is it called when the placenta is pushed out os the uterus?

  • The labour
  • The menopause
  • The afterbirth
  • The ejecualation

9. How long do men produce sperm cells for after puberty?

  • the rest of their life
  • until the age of 60 - 75
  • until the age of 45 - 55
  • until the age of 40 - 55

10. In the human lifecycle, a baby grows into a ____

  • adult
  • senior
  • child
  • teenager

11. Where do the sperm cells swim once the semen has reached the _____?

  • Down the oviducts
  • Over the placenta
  • Up the uterus
  • Through the umbilical cord

12. What might damage a baby/make it premature?

  • If the mother drinks too much alcohol/takes drugs while pregnant
  • If the mother gives her baby too much nutrition
  • If the mother watches TV too much
  • If the cells are damaged

13. Once the embryo has developed all its organs it is called a -

  • fetus
  • child
  • baby
  • organism

14. What is the first step of birth in mammals?

  • The cervix starts to contract
  • The muscles of the cervix relax
  • The uterus starts contractions and the woman goes into labour.
  • The uterus starts to tense up

15. What is the second step of birth in mammals?

  • The cervix starts contractions
  • The uterus relaxes
  • The muscles of the cervix relax
  • The uterus starts contactions

16. What is it called when an embryo sinks into the ____'s lining?

  • implantation
  • ejecualtion
  • inplantation
  • engravation

17. What is the scar caused by the umbilical cord being cut called?

  • the hole
  • the belly button
  • the naval
  • the scar

18. What statement is true?

  • Sperm cells are round.
  • An egg cell is smaller then a sperm cell.
  • A sperm cell is smaller than an egg cell.
  • A sperm cell and an egg cell are the same size.

19. What gets rid of waste (especially carbon dioxide) from the fetus?

  • The placenta
  • The uterus
  • The umbilical cord
  • The heart

20. What is the third step of birth in mammals?

  • The uterus starts to contract harder
  • The cervix begins to widen
  • The baby is pushed out head first through the cervix and the vagina.
  • The muscles of the cervix relax