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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