Why is it important for epithelial cells to sense damage?

How does the nervous system affect the excretory system?

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false

The starting materials in a nuclear change have a total mass of 2.3465 x 10-27 kg. after the change, the resulting materials have a mass of 2.3148 x 10-27 kg. how much energy was released during the change? 2.85 x 10-12 2.08 * 10-10 j 0 211 * 10-10 j 8.56 * 10-43