FACTS WE SHOULD NOT FORGET... 1: Number of bones: 206 2: Muscle number: 639-650 3: Number of kidneys: 2 4: Number of milk teeth: 20 5: Number of Ribs: 24 (12 pairs) 6: Number of heart chambers: 4 7: Largest Artery: Aorta 8: Normal blood pressure: 120/80 mmHg 9: Blood Ph: 7.35 - 7.45 10: Number of vertebrae in the spine:33 11: Number of veins in the neck: 7 12: Number of bones in middle ear:6 13: Number of bones in the face: 14 14: Number of bones in skull: 22 15: Number of bones in the chest: 25 16: Number of bones in arms: 6 17: Number of muscles in the human arm: 72 18: Number of heart bombs: 2 19: Largest organ: Skin 20: Largest Glandula: Liver 21: Largest Cell: Female Egg 22: Smallest Cell: Male Spermatozoides 23: Smallest Bone: Stringe (Lenticular) 24: First organ transplant: Kidney 25: Average Thin Intestinal Length: 7m 26: Average length of colon: 1.5 m 27: Average newborn baby weight: 3 kg 28: Pulse rate in a minute: 72 times 29: Normal Body Temperature: 37 C° (98.4 f°) 30: Average blood volume: 4 to 5 LITERS 31: Life span of the red globe: 120 days 32: White Globes Lifespan: From Hours To Years 33: Pregnancy period: 280 days (40 weeks) 34: Number of bones in the human foot: 26 35: Number of bones on each wrist: 8 36: Number of bones in hand: 27 37: Largest endocrine gland: Thyroids 38: Largest lymphatic organ: Bazo 39: Largest part of the head: the brain 40: Bigger and Stronger Bone: Femur 41: Smallest Muscle: Stapedius (middle ear) 42: Number of chromosomes: 46 (23 pairs) 43: Number of bones in newborn baby: 306 44: Blood Viscosity: 4.5 to 5.5 45: Universal Donor Blood Type 46: Universal recipient blood group: AB 47: Largest White Globes: Monochite 48: Smallest White Globes: Lymphocytes 49: Increasing Red Blood Cells: Policetemia 50: Blood bank in the body: Bazo 51: Non-Nuclear Blood Cell: Red Globes 52: Place of blood production: Red bone marrow 53: River of Life: Blood 54: Normal blood cholesterol level: 100-180 mg/dL 55: Fluid Part of Blood: Blood Plasma photo by Dreamstime