🗣️*IMPORTANT HUMAN KEY POINTS*

5: Number of ribs: 24 (12 pair)

6: Heart chamber number: 4

7: Largest artery: Aorta

8: Normal blood pressure: 120/80 Mmhg

9: Blood Ph: 7.4

10: Number of vertebrae in spinal column: 33

11: Number of vertebrae in the neck: 7

12: Number of bones in middle ear: 6

13: Number of bones in face: 14

14: Number of bones in skull: 22

15: Number of bones in chest: 25

16: Number of bones in arms: 6

17: Number of muscles in the human arm: 72

18: Number of pumps in the heart: 2

19: Largest organ: Skin

20: Largest gland: Liver

21: Largest cell: female ovum

22: Smallest cell: Sperm

23: Smallest bone: Stapes middle ear

24: First transplanted organ: Kidney

25: Average length of small intestine: 7m

26: Average length of large intestine: 1.5 m

27: Average weight of newborn baby: 3 kg

28: Pulse rate in one minute: 72 times

29: Normal body temperature: 37 C ° (98.4 f °)

30: Average blood volume: 4 to 5 LITERS

31: LIFETIME Red blood cells: 120 days

32: LIFETIME White blood cells: 10 to 15 days

33: Pregnancy period: 280 days (40 weeks)

34: Number of bones in human foot: 26

35: Number of bones in each wrist: 8

36: Number of bones in hand: 27

37: Largest endocrine gland: Thyroid

38: Largest lymphatic organ: Spleen

40: Largest and strongest bone: Femur

41: Smallest muscle: Stapedius (middle ear)

41: Chromosome number: 46 (23 pair)

42: Number of newborn baby bones: 306

43: Blood viscosity: 4.5 to 5.5

44: Universal donor blood group: O

45: Universal recipient blood group: AB

46: Largest white blood cell: Monocyte

47: Smallest white blood cell: Lymphocyte.