I believe the answer would be C. Dancing and Swimming.
Yes this is very important
<em>a</em><em>n</em><em>s</em><em>w</em><em>e</em><em>r</em><em> </em><em>:</em>
respiratory bronchioles.
Think about what can make you and your health better. i had to watch my sister go through it and i pray that you will get healed and find happiness