;Methods ;The Cell ;Tissues: Concept and Classification ;Epithelial Tissue ;Connective Tissue ;Adipose Tissue ;Cartilage ;Bone ;Blood ;Muscle Tissue ;Nervous Tissue ;Cardiovascular System ;Lymphatic Tissue, Lymphatic Organs, and the Immune System ;Integumentary System ;Digestive System I: Oral Cavity and Pharynx ;Digestive System II: Esophagus and Gastrointestinal Tract ;Digestive System III: Liver, Gallbladder, and Pancreas ;Respiratory System ;Urinary System ;Endocrine Organs ;Male Reprodutive System ;Female Reproductive System ;Eye ;Ear ;Inde