The Biologian
Biology, religion, and even some eLearning
Showing posts with label
sinus
.
Show all posts
Showing posts with label
sinus
.
Show all posts
Monday, September 20, 2010
Sinuses - You Need Them Like a Hole in the Head
›
What's the point in having holes in your head? Ever had a sinus headache? Ever have them clog up while trying to dive/free dive? ...
›
Home
View web version
.jpg)