in Health

The adult human has two to nine pounds…

80 Views

bacteria in body

The adult human has two to nine pounds of bacteria in his or her body.

bacteriaHealthHuman Body

Leave a Reply

Your email address will not be published. Required fields are marked *

more than 100 hours of video are uploaded to YouTube

Every minute, more than 100 hours…
The rubber tree isn't the only plant with rubbery sap

The rubber tree isn’t the only plant…