Any boyz out there wanna date?

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

Can someone give me one specific health problem (within unhealthy eating) and explain it. !

The body uses fight or flight as a way of defending itself from stress. question 2 options: true false