Your immune system is full of secret defenders: chemicals, barriers, and fast-acting cells that protect you every day.
Each clue in this crossword reveals a different defender that helps protect your body from germs.
Use the clues to fill in the crossword with the correct scientific terms.
Think carefully, use what you learned in the lesson, and uncover how your body fights infection every single day!
Ready to solve the puzzle and reveal the secret forces keeping you healthy?
Let’s explore the secret world of your immune system!