Answer:
I transfer oxygen from the atmosphere to your blood
I am the same written forward backward and upside down.
What invention lets you look right through a wall?
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
The last man on Earth received a phone call, who was the caller?
What made Cyclops quit teaching?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic