कोई पेज नहीं मिला। दूसरा शब्द लिखें।
You carry an amazing machine: you!
Read these child-friendly facts with a parent or teacher, then try the mini quiz. GKSchools writes original explainers — not copied exam papers.
You have 3 questions. Can you get 3/3?
Same 3 questions for revision. Open a question to read the answer, then tap Try Again to play again.
⭐ Answer B. Blood
⭐ Answer B. Lungs
⭐ Answer B. Keep germs down
