The longest bone in the human body is the femur, which is also called the thigh bone. On average, it is about 20 inches long, according to Infoplease.Know More
The second largest bone is the shinbone, which is also called the tibia and is about 17 inches long on average. On the other hand, the smallest bones in the body are the malleus, incus and stapes. Together, these three bones are called the ossicles. Found in the middle ear, these bones are used by the body to transmit sound. The stapes, or the stirrup, is the smallest of the three, and on average, it is about 0.1 inches long.
Though babies are born with over 300 bones, by the time they reach adulthood, they only have 206. Bones connect over time as humans age to adulthood.Learn more about Human Anatomy
According to About.com, water makes up between 65 and 90 percent of all cells in the human body. The remaining elements by mass include oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus, potassium, sulfur, chlorine, sodium, magnesium and trace amounts of iron, cobalt, copper, zinc, iodine, selenium and fluorine.Full Answer >
The cleanest part of the human body is often considered to be the eye because of its abilities to clean itself. The eyelid opens and shuts several times every minute in order to keep the eye clean and moist.Full Answer >
Carbon is found in all organic molecules in the human body, which includes fats, carbohydrates, nucleic acids, and proteins. Carbon is also found in CO2 (carbon dioxide), a waste product of the body that is exhaled through the lungs.Full Answer >
The mouth is considered the dirtiest place in the human body. It carries the largest amount of bacteria and germs.Full Answer >