True or false the main job of protein is to build working body tissues

Darren was recently ticketed for speeding over 110 mph on the freeway. when the police officer stopped darren and asked him why he was going so fast, he replied that he was "king of the world." the month before this, darren felt sad and listless and had trouble getting up the energy to go to school. he probably suffers from:

Why do we learn how to calculate the distance of a parabola in 10th grade but not what a 401k is?

What conditions are unaffected in physical conditions