33–7 cervical, 12 thoracic (or dorsal), 5 lumbar, 5 sacral, and 4 caudal (or coccygeal). How many bones are there in the human wrist? A: Eight. What is the body’s largest organ–by weight? A: The Lungs. Together they weigh about 42 ounces. The right lung is two ounces heavier than the left, and the male’s lungs are heavier than the female’s. What is the longest muscle in the human body? A: The sartorius, which runs from the pelvis across the front of the thigh to the top of the tibia below the knee. How many miles of nerves are there in the adult human body? A: 45. What is your buccal cavity? A: The inside of your mouth. How many pints of air per minute does the average adult use during normal quiet breathing? A: Almost 13 pints, or 6 liters. How long is the average adults spinal cord? A: From 17 to 18 inches. It’s weight minus membranes and nerves, is about 1-1/2 ounces. What bacterium is named for German pediatrician Theodor Escherich? A: E. coli. The E is for Escherichia, after its