Answer:
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
What two keys cannot open any door?
Forward I am heavy backward I am not. What am I?
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
When it comes to me, you go on red and stops on green. What am I?
Long and slinky like a trout, never sings till it's guts come out.
What am I?
Animal
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Logic