What is the difference between badminton in school and in the Olympics

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

Drinking alcohol at a faster rate will not affect a body’s absorption of alcohol

Which of the following identifies a main culprit for america’s increasing weight gain