Answer:
What is a five-letter word that has brain in it?
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
I hide but my head is outside.
I climb higher when hot, But beware my rage, I’ll kill with a breath, If I can escape my cage
I have three hundred cattle, with a single nose cord
I am a animal that is cute but dangerous, what am I?