Test taking

The teacher asked me a question. I'm not sure about the answer. I need more time to think. What can I say?

My stomach feels like it is full of knots. I think I feel nervous. What can I do to help me feel more calm?

What does your body feel like when you are excited?

What can I say to ask for more time?

My hands feel sweaty and my body feels shaky. What emotions am I feeling?

What does your body feel like when you are nervous?

The teacher asks me a hard question. I take my time and think about it. I still don't know the answer. What can I say?