The soil lightens up. Hardens up as it dries out. Others have shrivelled into a tiny mass of grey death, dead of thirst. Those who claim to know say that death from thirst is a horribly painful and slow way to go. The body dries up, deprived of its most essential constituent.
Functions begin to fail.
Organs shut down. We can do without lots of things. The Word of God reveals to us one who is so deprived. He has undergone enormous suffering and stress over the last hours. His body is dehydrated, and his physical suffering enormous.