According to the video, a baby starts out the size of a_________seed

The_________cells mass begin to organize and form into an embryo

The baby's brain and spinal cord are visible during this stage or pregnancy.

This trimester is the time when______develops in the embryo.

The embryo’s heart begins to beat in the second trimester

The embryo’s heart begins to beat in the first trimester

According to the video, the embryo resembles a ____________during the first trimester

Embryo’s get oxygen from the__________and umbilical cord

The fetus can open and close its_______and___________during this trimester

By week________the embryo losses its embryonic tail.

Nose, mouth and fingers are not developed during the first trimester.

At___________weeks the baby enters the fetal stages of pregnancy

The fetus can open and close its_______and___________during this trimester

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