Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
  • English
Español
Português
Educator Login / Register
Donate Now Get Free Videos

Image Gallery

Fetal Respiratory System

9 weeks

Fetal Respiratory System [Click for next image]
From The Biology of Prenatal Development.Buy Now

Label Key:

1. right lung
2. trachea
3. left lung
All ages referenced to fertilization, not last menstrual period.
The Open Left Hand
The Open Left Hand
The 9-Week Fetus via MRI
The 9-Week Fetus via MRI
Fetal Respiratory System
Fetal Respiratory System
Comparing Lung Development
Comparing Lung Development
The 9-Week Fetus in Motion
The 9-Week Fetus in Motion
The Coiled Umbilical Cord
The Coiled Umbilical Cord
Previous Set Previous Picture
Next Set Next Picture
Free resources and training for educators
Tell your story. Create your own pregnancy calendar.