Biology

The Most: Related to body parts

1. Busiest organ	*Heart*
2. Fastest known enzyme	*Carbonic anhydrase*
3. Hardest part of the body	*Enamel of tooth*
4. Heaviest organ	*Liver (1.6 kilograms)*
5. Heaviest part of the body	*Skull*
6. Largest (bulkiest) muscle of human body	*Gluteus maximus (Buttock muscle)*
7. Largest blood cell	*Monocyte*
8. Largest blood vessel (Artery)	*Aorta (abdominal aorta)*
9. Largest bone of man	*Femur bone*
10. Largest cell	*Egg of Ostrich (15- 20 cm in diameter)*
11. Largest cell in human body	*Ovum (egg)*
12. Largest cell organelle	*Nucleus*
13. Largest endocrine gland	*Thyroid gland*
14. Largest enzyme	*Catalase*
15. Largest excretory organ	*Kidney*
16. Largest gland	*Liver (1.5 kg)*
17. Largest nerve	*10^th cranial nerve (Vagus)*
18. Largest organ	*Skin (4 kg; 24 cubic feet)*
19. Largest salivary gland	*Parotid gland*
20. Largest sense organ	*Skin*
21. Largest vein	*Inferior vena cava*
22. Largest WBC	*Monocyte*
23. Longest cell	*Neuron (Nerve cell)*
24. Longest muscle	*Sartorius (Thigh muscle)*
25. Longest nerve	*Sciatic*
26. Longest part of the alimentary canal	*Small intestine (7m)*
27. Most abundant compound in a cell	*Water (Next to water protein)*
28. Most abundant mineral in vertebrate body	*Ca (2%); followed by P (1%)*
29. Most flexible organ	*Skin*
30. Part having least amount of water	*Enamel of tooth*
31. Part having much amount of water	*Blood*
32. Part having thickest skin	*Sole of the foot (about 4.7 mm)*
33. Part having thinnest skin	*Face (0.12 mm)*
34. Second largest gland	*Pancreas*
35. Smallest artery	*Phrenics (To diaphragm)*
36. Smallest blood vessels	*Blood capillaries*
37. Smallest bone	*Stapes of ear*
38. Smallest cell	*Mycoplasma gallisepticum (PPLO)*
39. Smallest cell of the vertebrate body	*Squamous epithelial cells*
40. Smallest cell organelle	*Ribosome (Found in maximum number)*
41. Smallest endocrine gland	*Pituitary*
42. Smallest enzyme	*Peroxidase*
43. Smallest face bone	*Lachrymal bone*
44. Smallest muscle	*Stapedius (near stapes)*
45. Smallest nerve	*Pathetic trochlear nerve (4^th cranial nerve)*
46. Smallest salivary gland	*Sublingual gland*
47. Smallest WBC	*Lymphocyte*
48. Strongest bone	*Femur bone (not jaw bone)*
49. Sweetest protein	*Monellin*
50. Sweetest sugar	*Fructose*
51. Thinnest skin	*Conjunctiva*
52. Hardest working muscle	*Heart muscles*
53. Strongest muscle based on its weight	*Masseter (Jaw muscles), somebody says it is Uterus*
54. Muscle that can pull with the greatest force	*Soleus*

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Biology