Reproduction

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1. Breast milk contains what?

  • All the vitamins a baby needs and antibodies.
  • All the nutrients the baby needs and vitamins.
  • All the nutrients the baby needs and antibodies.
  • All the vitamins a baby needs and nutrients.
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2. What is the period when both emotional and physical changes occur?

  • external development
  • Adolescence
  • menstruation
  • Puberty

3. If an egg cell meets a sperm cell in an oviduct, fertilisation can occur. But what happens in fertilisation?

  • The nuclei from the two cells fuse
  • The egg cell gets larger
  • The sperm cell swims beside the egg cell
  • The cells die

4. A fertilised egg cell divides to form a ball of cells, also called a/n ___

  • embroyed
  • embryo
  • nucleus
  • nuclei

5. What is the forth step in birth in mammals?

  • The uterus starts contractions and the women goes into labour.
  • The baby is pushed out head first
  • The baby starts the breath and the umbilical cord is cut.
  • The placenta is pushed out of the uterus.
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