2 major loops - one goes from the heart to the lungs while the other from the heart to the other parts of your body
The answer should be generalized pallor!
Bipolar depression is depression with mood swings that you can't control. It's almost like having multiple personalities and you cant control which one comes out at what time. It's very hard to live with but there are medications to help cope with this.
Its not D or A because not much flexibility is needed for those. So I believe its C if not its B im going with C (:
