eli5 – How can the human body be composed of 70% water when it feels and behaves like any other solid?

Question

eli5 – How can the human body be composed of 70% water when it feels and behaves like any other solid?

In: 18

Answer 1

It really doesn’t behave like any other solid. Your muscles, your skin, all your body parts are not fully solid, they have stretch and squish. Bones and teeth are the exception, because skeletal cells utilize minerals to build a stiff, rigid, structure.