MediumClassic
"There are two of us and we never touch each other. We work together all day and night. We take in the invisible and give back the invisible. What are we?"
Answer
Lungs
Explanation
The two lungs sit side by side separated by the heart and never actually touch. They work in constant rhythm, inhaling oxygen and exhaling carbon dioxide — both invisible.
This is a medium riddle in the Classic category — Time-honoured riddles passed down through generations.
Tags:bodyclassic
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More Classic Riddles
Keep going — other riddles in this category:
- I speak without a mouth and hear without ears. I have no body, but I come alive with the wind. What am I?
- The more you take, the more you leave behind. What am I?
- The taller I am, the younger I grow. The shorter I become, the older I am. What am I?
- What can you break, even if you never pick it up or touch it?
- I eat and live. Give me water and I die. I bring warmth but also destruction. What am I?
- I show you the world but everything I show you is reversed. I am still when you are still and move when you move. What am I?