SCIENCE MOST IMPORTANT QUESTIONS & ANSWERS By KAJAL MA’AM1. Smallest WBC :- Lymphocyte 2. Biggest WBC:- Monocide 3. Life time of RBCs :- 120 days 4. Life time of WBC :- 2-5 days 5. Blood clotting time :- 3-6 minutes 6. Omnivorous blood group :- AB 7. Provider blood type :- O 8. Normal Blood Dawa :- 120/80 Hg 9. Normal pulse speed at birth :- 140 times-minutes 10. Normal pulse speed at the age of 1 year :- 120 times-minutes 11. Normal pulse speed at age 10 :- 90 times-minutes 12. Normal Sense Speed Adult :- 70 times – minute 13. Heart rate :- 72 times-minutes 14. Largest vein :- Inferior venacava 15. Largest artery: Absominal erota 16. Weight of kidney: 150 grams 17. Weight of Mustique: 1220-1400 grams 18. Length of spinal cord: 42-45 cm
20. Number of spinal nerves: 31 pairs 21. Longest nerve: sietic 22. The thinnest and smallest nerve: trochlear 23. Largest nerve: Trigeminal 24. Largest cell: Neural cell 25. Largest endocrine gland: Thyroid 26. Inferential gland: adrenal 27. Smallest endocrine gland: pituitary gland 28. Start of puberty in girls: 13 years 29. Menstrual period in women: 28 days 30. Pregnancy duration: 266-270 days 31. Total number of bones: 206 32. Smallest bone :- Steps (in Median Karna) 33. Longest bone :- femur (in thigh) 34. Total number of Kaserukas: 33 35. Total number of muscles: 639 36. Longest muscle:- Sartorius 37. Length of large bowel :- 1.5 m |