CXC CSEC Human and Social Biology: Living organisms: bacteria and fungi on the human body

CXC CSEC Human and Social Biology:
Living organisms: bacteria, fungi virus and the human body

 

How bacteria multiply

 

 

 

 

 

 

How a virus invades the human body

 

 

Fivestar

Add new comment

This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

Image CAPTCHA
Enter the characters shown in the image.