this viseo is about the parasitology

1. Parasitology course
Available (free) 
https://oke.io/ub770PfF
 Parasitology:- is a science that deals with
parasites.
 Medical Parasitology:- Is the study of
parasites that causes disease in human.
 Parasite:- is an organism living temporarily
or permanently in or on another organism
(host).
 Nature of Parasites- A parasite could be
unicellular, worm or an arthropod.
 Featuresof Parasites

2.  1. Smallerthantheirhost,
 2. Outnumberthe host,
 3. Short life spanthantheirhost,and
 4. Have greaterreproductive potentialthantheirhost.

11. Course https://oke.io/ub770PfF