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
In the human body, a motor unit consists of a single motor neuron and all the skeletal muscle fibers it innervates. The axonal terminal of the motor neuron interfaces with skeletal muscle at the neuromuscular junction (NMJ).Full Answer >
Nitrogen is a major factor in the creation of proteins essential to the creation of genetic material in the human body. Nitrogen is necessary to all forms of life.Full Answer >
The mouth is considered the dirtiest place in the human body. It carries the largest amount of bacteria and germs.Full Answer >
The warmest parts of the human body are the head, chest and armpits, according to the Journal Gazette of Fort Wayne, Ind. Conversely, the coldest parts are the feet and toes, which are farthest from the warm-blood-pumping heart.Full Answer >