2 / 5 | Where is the smallest bone in the human body?
The tiniest bone in your body is the stapes, which is located in the inner ear. This bone is sometimes referred to as the stirrup because of its Y form. The stapes help convert sounds you hear into waves your brain can interpret.
3 / 5 | Which part of the bone produces red blood cells?
Most bones have bone marrow in the centre, which is filled with blood vessels. There are two types of bone marrow: red and yellow. Blood stem cells found in red marrow produce red blood cells, white blood cells, or platelets. Yellow marrow is mostly made of fat.