Distribution: 今 mesothelium(间皮): body cavities .s endothelium(AE): cardiovascular and lymphatic system os other place: alveoli, parietal layers of renal capsule. Function: a) transport of materials b) facilitates movement of viscera6 Distribution: ❖ mesothelium(间皮): body cavities ❖ endothelium(内皮): cardiovascular and lymphatic system. ❖ other place: alveoli, parietal layers of renal capsule. Function: a) transport of materials b) facilitates movement of viscera