Water content of selected organism and foods of mass of mass Marine 97 Broccoli 90 invertebrates Human fetus 93 Milk 88 (1 month) Fish 82 Apples 85 Human adult 70 Grapes 80 Eggs 75Water content of selected organism and foods % of mass % of mass Marine invertebrates 97 Broccoli 90 Human fetus (1 month) 93 Milk 88 Fish 82 Apples 85 Human adult 70 Grapes 80 Eggs 75