Human Body feed
3
Three small bones in the middle ear help carry sound vibrations from the eardrum toward the fluid-filled inner ear. They are the malleus, incus, and stapes, often called the hammer, anvil, and stirrup because of their shapes.
300
Babies have more separate skeletal pieces than adults, often described as about 300 bones compared with the usual adult count of 206. The newborn number is approximate because developing bone and cartilage are not always counted the same way.
1 cm
People are usually slightly taller after a night lying down because spinal discs regain fluid when unloaded. Around a centimeter is a useful rough illustration, not a fixed daily change for everyone.