Answer:
I transfer oxygen from the atmosphere to your blood
I am an instrument that you can hear but cannot see or touch. What am I?
I get paid when I drive away my customers. What am I?
I keep things green and keep kids happy during summer time.
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
I am the kind of an ant that's good at math. What am I?