An organ or group of specialized cells in the body that produces and secretes a specific substance, such as a hormone
Explanation: Electron microscopes are the most powerful type of microscope, capable of distinguishing even individual atoms. However, these microscopes cannot be used to image living cells because the electrons destroy the samples.
The length would be 6 cm because it’s a cube so all the sides must be equal
Six to the third power is 216 so that would be the volume
