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Science: Chapter 19-5
How does a human embryo develop?
9
Science
6th Grade
03/03/2008

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Term

What word means:

a developing human organism up until

8 weeks of pregnancy ?

Definition
embryo
Term
Where does the embryo develop?
Definition
in the uterus
Term

What is the organ through which an embryo gets food and

gets rid of waste?

Definition
placenta
Term
What is the structure that connects the embryo to the placenta?
Definition
umbilical cord
Term
What is the fluid-filled sac that surrounds an embryo?
Definition

amnion

Term

What word means:

an embryo 8 weeks

after fertilization  ?

Definition

fetus

The fetus now has a heart, brain, spinal cord,

eyes, and ears.

Term
What word means:
the period of development inside a mother's body ?
Definition

pregnancy

It lasts about 9 months.

Term
What are the 3 stages of birth?
Definition
  1. labor
  2. delivery
  3. afterbirth
Term
What structure does the baby pass through during birth?
Definition
vagina
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