Hallucinogen is the answer to your question
1 - inhale for 3 seconds, hold breath for 4 seconds, and breath out for 7 seconds.
2 - find a stable aspect of your life and focus on it in moments you think a panic attack is going to happen or is happening
3 - step out of the situation on hand
B. Heart, Chambers
Heart pumps blood to your body and it has four chambers.
Hope this helps.
1. True
2. False
3. False, not 100% sure though
4. True
5. False, that is the one thing they are seriously worried about.
I really hope this helps, and you should most definitely try this on your own, and not depend on someone else's brains to do it for you. But anyway good luck on your test