• List the main components of the human digestive system (in order)

• List three functions of the liver.• What is the difference between intracellular

and extracellular digestion. Give an example of a specific organism for each type.

• List the protein digesting enzymes and the location of their action and their production.

• What are villi? What are their function?• What is the role of the large intestine.

• List four characteristics of water, explain the physical and chemical properties that contribute to it and explain their biological function

• Draw the functional groups:– Ketone– Hydroxyl– Carboxyl– Amino– Sulfhydryl

• What is homeostasis?• Explain the difference between positive and

negative feedback. Give two examples of each.

• Compare and contrast ectotherm and endotherm animals.