Dive into the fascinating inner world of your body with Zyttie and Phago!

Zyttie and Phago are white blood cells. They hunt harmful intruders and are busy cleaning up day and night. With them, you'll never be bored, as there are always new and exciting things happening in your body that require their help. But it's not just Zyttie and Phago who are constantly on duty – the whole family pitches in! Whether you have a scratchy throat or a stomach ache, they find the cause of your discomfort and take care of it right away. They do everything to ensure that you are healthy again soon! The author and doctor Katja Ludwig explains what happens in your body when you are sick – and offers tips on what you can do to feel better. Features: With colorful illustrations.