These videos and websites are just starters for you to get to know the systems you will be working with. You will need to do more research!
The video to the right goes over the anatomy of the Respiratory System. I would pause often and take notes or use it as a review.
This video gives a good overview of the general anatomy and physiology of the digestive system.
4 Layers of the Alimentary Canal
Carbohydrate Digestion
Fat/Lipid Digestion
Protein Digestion
This video is an overview of the types of cells in the immune system.
Another overview of the immune system
Watch through INNATE IMMUNITY!!
Organs of the Immune System
Allergy Information