| Name | Location |
| Hepatic portal vein | It is located between alimentary canal and liver. |
| Tonsils | They are located in the posterior wall of nasopharynx. |
| Spleen | It is located just beneath the stomach. |
| Sino-auricular node | It is a special kind of muscle located in the heart. |
| Bicuspid value | It is located in between the left auricle (atrium) and left ventricle left auricle |
| Pulmonary vein | Arises from lungs and pours blood into the left auricle. |
| Semilunar valves of the heart | Located in the arteries leaving the heart. |
| Bundle of His | Arises from atrioventricular node, moves along inter-ventricular septum to the apex of ventricle and then radiates upwards. |