A3. Circulatory system
and blood
- A3a. Heart
- A3b. Vessels
- A3c. Blood
A11. Endocrine system
- A11a. Pituitary gland
- A11b. Thyroid gland - Parathyroid glands
- A11c. Adrenal tissue
- A11d. Endocrine pancreas
- A11e. Pineal gland
A13. Sense organs
- A13a. Auditory (inner ear) and lateral system
- A13b. Chemoreception (taste - olfaction)
- A13c. Vision
- A13d. Various senses
A2. Muscle
- A2a. Skeletal muscle
- A2b. Cardiac muscle
- A2c. Visceral muscle
A4. Immune system
- A4a. Spleen
- A4b. Thymus
- A4c. Kidney
- A4d. Various lymphoid organs - Phagocytic system
A6. Digestive system
- A6a. Oral cavity
- A6b. Esophagus
- A6c. Stomach
- A6d. Small and large intestine
A8. Respiratory system
- A8a. Gills
- A8b. Skin
- A8c. Upper respiratory tract
- A8d. Lower respiratory tract
A10. Nervous system
- A10a. Central nervous system
- A10b. Peripheral nervous system
A14. Miscellaneous -
Several organs
- A14a. Several organs, gross histology