Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

To the Earth and Back


From The Biology of Prenatal Development.Buy Now

Script: vagyis 1 méter lenne.

Ha egy felnőtt 100 billió sejtjének minden DNS molekuláját kiegyenesítenénk, azok teljes hossza több mint 101 milliárd mérföld lenne. Ez a hosszúság a Föld-Nap távolság 680-szorosa.

All ages referenced to fertilization, not last menstrual period.
Log in to create a playlist
Ready for Birth
Ready for Birth
DNA
DNA
To the Earth and Back
To the Earth and Back
Fertilization 1
Fertilization 1
Fertilization 2
Fertilization 2
Cell Division
Cell Division
Help give babies a healthy start and a healthy future. Donate now.
Free resources and training for educators


Add a Comment

Your Name: Log In 3rd-party login: Facebook     Google     Yahoo

Comment: