21 body parts in English:
1. Nostril: either of two external openings of the nose (नाकपुडी)
2. Thumb: अंगठा
3. Index finger: the finger next to the thumb; the forefinger (अंगठ्या शेजारचे बोट)
4. Ring finger: the finger next to the little finger, especially of the left hand, on which the wedding ring is worn (अनामिका)
5. Knuckle: a part of a finger at a joint where the bone is near the surface, especially where the finger joins the hand (बोटाच्या सांध्याचे हाड)
6. Ankle: the joint between your leg and your foot (पायाचा घोटा)
7. Shin: the front of the leg below the knee (नडगी)
8. Calf (muscle): the fleshy part at the back of a person's leg below the knee (पोटरी)
9. Heel: टाच
10. Foot: पाय (Remember: Leg = पाय)
11. Toe: पायाचे बोट
12. Palm: तळहात
13. Wrist: मनगट
14. Elbow: कोपर
15. Shoulder: खांदा
16. Tongue: जीभ
17. Waist: कंबर
18. Chest: छाती
19. Thigh: मांडी
20. Cheek: गाल
21. Chin: हनुवटी