12 reactions | The smallest bone in the body is about the size of a grain of rice — the stapes bone. It is located within the temporal bone of the skull on each side of the face, and it helps conduct sound vibrations to the inner ear. To see and learn more about the workings of the inner ear, take a look at it with the BioDigital Human: https://bit.ly/37TB76a | BioDigital | Facebook

8K views · 31 reactions | How do COVID-19 vaccines work? How are they made? And what are the differences between mRNA, viral vector, protein subunit, and inactivated (killed) vaccines? Our Medical Directer explains. | BioDigital | Facebook