vertebrates

Monotremes

Marsupials

Placental Mammals

Carbohydrates

Glucose

disaccharide

Polysaccharides

Lipids

Saturated Fats

Unsaturated Fats

Proteins

Proteins #2

Ingestion

Digestion

Absorption

Assimilation

Egestion

A digestive system

Ingestion and Physical digestion. (The Big Picture)

Fact

Incisors

Canines

Premolars and Molars

Fact #2

With the herbivore's teeth

With the carnivore's teeth

With the Omnivore's teeth

Fact #3

Tooth Decay

Gum Disease (gingivitis)

Enamel

Dentine

Pulp Cavity

Cement

Crown

Root

Enzymes. The Big Picture

Digestion in the Mouth

Starch and Saliva

Saliva contains:

The Oesophagus

Peristalsis

Digestion in the Stomach

Fact #4

Renin

Digestion in the Duodenum

Enzymes, Substrate and Products, produced from the Pancreas

Describing 'bile'

Describing the nature of pancreatic juices.

Digestion is complete

Fact #5

Absorption in the (Very Long) Ileum. The Big Picture

Diagram of a villus

In the Liver

Summary of the digestive system

Liver activity

Liver #2

Veins

Arteries

Arterioles

Circulation around the body

Capillaries

Diagram of a capillary

Why are the walls of the capillaries so thin?

Why do we need a circulatory system?

What does the blood do?

Capillaries

Why are the walls of the capillaries so thin?

How Food is Delivered to the Cells and Waste Removed.

Why Do We Need a Circulatory System?

What does the blood do?

Absorption of Glucose

Absorption of Amino Acids

Absorption of Fatty Acids and Glycerol

Respiration: The Big Picture

Aerobic and Anaerobic respiration

Cellular Respiration

Respiratory Organ System

Diffusion of Gases