How does our brain work? Why does the heart beat? Where does blood come from in the body? People on the planet are not all alike: some have strong muscles, while others have weak ones; some hear better, while others have worse; some kids memorize poems quickly, while others are slow. All people are very different! But to learn how the human body works, just take a look at this colorful and detailed book! You'll learn why bones are light yet strong, why we need joints, how food is digested and replenishes your reserves of proteins, fats, and carbohydrates, and why we get sick? Want to become a little explorer? Then quickly jump on board - our journey through the body begins! For primary school children.