Which of the following statement about preventing stis is true

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

James is sitting at his desk on the ground floor of an office building when the entire room starts shaking. which action is most appropriate in this situation? a. standing near a window b.running out of the building c.holding up a bookshelf d.preparing for aftershocks

Select the correct answer from each drop-down menu anne has a endocrine system disease. choose the correct way to complete each sentence