5.Fertilisation and
pregnancy🤰🏼

Fertilisation

is the unión of a female and a male sex cell

process

  1. The ovarie releases an egg
  1. Sperm enters to the female body
  1. They unite in the Fallopian Tube. This is a zygote
  1. The zygote divide and formas an embryo
  1. The embryo implants in an uterus wall

Pregnancy

it's aprox. 9 months

parts

umbilical cord

connects the placenta to tbe baby

amniotic sac

it contains the amniotic fluid

placenta

is responsible for storing oxygen and nutrients

Stages of embryonic development

Early: it's formado a tissue in the wall of the uterus