B would be the correct answer
Ok when we inhale we are letting oxygen inside of us, that oxygen that we inhale helps our blood move around our bodies. When we breath out taking out all the old air thats called carbon dioxide and it is very dangerous because it can make us stop breathing if we dont find new oxygen fast. Please if you need more info just private message me.
I would say "C" because bipolar disorders are associated with moods/personalities.
Physical activity is like walking a dog and just doing day to day things with not alot of effort.
