| A | B |
| Circulatory system | designed to pump & deliver blood to body's tissues |
| Circulatory Diseases/Conditions | Heartworm, Heart Disease, Hypertension |
| Respiratory System | Provides body with exchange of oxygen & carbon dioxide |
| Respiratory Diseases/Conditions | Canine Distemper, Equine Influenza, Bovine Respiratory Disease |
| Digestive System | Breaks down food into simple substances the body can absorb |
| Types of Digestive Systems | Monogastric, Ruminant, Hindgut-Fermenter, Avian |
| Digestive Diseases/Conditions | Colitis, Colic, Gastroenteritis |
| Endocrine System | Produces hormones to regulate metabolism, growth & development, tissue & sexual function, reproduction, sleep & mood |
| Endocrine Diseases/Conditions | Hyperfunction, Hypofunction, Hyperthyroidism, Fatty Liver Disease |
| Immune System | Defends body against infectious organisms & other invaders |
| Immune Diseases/Conditions | Autoimmune Disease |
| Integumentary System | Protect's animals body from disease by providing a barrier to viruses & bacteria |
| Integumentary Diseases/Conditions | Mange, Rainrot, Ringworm |
| Nervous System | Transmits signals to different parts of the animal's body & operates basic body functions |
| Nervous Diseases/Conditions | Peripheral neuropathy, EPM, listerosis |
| Skeletal System | Protects & supports the body tissues and internal organs |
| Skeletal Diseases/Conditions | Osteochondrosis, hip dysplasia, fractures |
| Reproductive System | Consists of sex organs within animals which work together for the purpose of sexual reproduction |
| Reproductive Diseases/Condtions | Infertility, dystocia |