What is the difference between a single skin cell and the skin tissue that covers an entire hand?

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.

The salt in the sea water dehydrated the sailor because her body could not take in the amount to salt in the sea water