| 100% | BRAINSTEM | 9 | The medulla is found in this part of the body |
| 58% | FOOT | 4 | Body part whose parts are aptly found at the bottom of this puzzle's four longest answers |
| 57% | FEET | 4 | Parts of the body that are slightly larger in the evening than morning |
| 55% | NUCLEARFAMILY | 13 | Members of this can be found in the centers of 17-, 24-, 51- and 60-Across |
| 55% | TIBER | 5 | Legend has it that Rome was founded in 753 BC on the banks of this river |
| 54% | CARTILAGE | 9 | Tough flexible tissue found in parts of the body |
| 52% | ACHE | 4 | Continuous pain in a part of the body |
| 52% | TUMOR | 5 | Abnormal growth in any part of the body |
| 51% | ABS | 3 | Parts of the body that are "crunched" |
| 51% | LEG | 3 | Part of the body where the hamstring is |
| 51% | JAW | 3 | Part of the body where the mandible is |
| 51% | ABDOMEN | 7 | Part of the body where the belly is |
| 51% | PACIFIC | 7 | The Mariana Trench is found in this ocean |
| 51% | IRAN | 4 | The Persepolis ruins are found in this country |
| 51% | SCALP | 5 | Part of the body that may be massaged |
| 51% | LIPS | 4 | Part of the body that can be pursed |
| 51% | TOES | 4 | Parts of the body that may be wiggled |
| 51% | MUSCLES | 7 | Parts of the body that may be ripped |
| 51% | KIDNEY | 6 | Part of the body removed in a nephrectomy |
| 51% | KNEE | 4 | Part of the body mentioned in "Oh! Susanna" |
| 51% | TRICKORTREAT | 12 | What is found divided at the starts and ends of nine answers in this puzzle |
| 50% | BELFAST | 7 | The George Best airport is found in this city |
| 50% | NECK | 4 | Part of the body where the jugular veins are |
| 50% | CORNEA | 6 | Part of the body first successfully transplanted in 1905 |
| 50% | BATH | 4 | The Victoria Art Gallery is found in this UK city |
| 50% | LEG | 3 | Part of the body where the femur and tibia are |
| 50% | LEG | 3 | Part of the body where the thigh and calf are |
| 50% | CORE | 4 | Part of the body where the abs and obliques are |
| 50% | MUSCLE | 6 | Part of the body where an IM shot is given |
| 50% | LIP | 3 | Part of the body that may be plumped with collagen |