Pregnancy Info
Wednesday, 14 December 2011
The Beating Heart in Slow Motion: 4 1/2 Weeks Pregnant
The Beating Heart in Slow Motion: 4 1/2 Weeks Pregnant
By 4 weeks and 4 days the human embryo's heart typically beats about 113 times per minute. [Clip from "The Biology of Prenatal Development" DVD. For more information visit www.ehd.org ]
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment