Fast review mode: answers are shown by default so you can skim quickly. Hide them if you want to self-test.
The main ingredient in our bodies is water. Our planet, Earth, despite its name is mostly water - at least on its surface. Vegetables contain lots of water too - a cucumber is 96% water!
Water is abundant. It plays an important role in keeping us healthy and we must make sure that we drink enough water every day to help us grow big and strong.
Join 4M+ learners. Unlock unlimited quizzes, wrong-answer tracking, flashcards + reminders, study guides, and 1-on-1 challenges.