List three (3) lymphoid organs.

State the function of the aortic and pulmonary valves?                               

Considering the average blood pressure of a healthy individual is 120mm Hg/80mm Hg, what does the diastolic pressure of 80mmHg represent? 

Describe the flow of blood through the heart.

Fill in the missing word:________ is characterized by a bluish or purplish discoloration of the skin, lips, and nails, indicating a lack of oxygen in the blood.                                                                     

_____________ prevent backflow of blood and are most numerous in veins of the legs. 

Name the layer that covers the outer surface of the lung?

Define Cardiac Output?                                                                                

Organize the following types of evidence in order of quality from highest to lowest (not all are included):

Match the 4 major healthcare model with their respective applications within the US Healthcare system.