Tissues are immunogically “typed” before an organ transplant to make sure that the donor and recipient match as closely as possible in their _____.

Correctly identify the name and function of the organs/glands/components that are numbered.  

________ is a characteristic of adaptive immunity but not innate immunity.

The pulmonary arteries are indicated by which number?    

Macrophages are ________.

The words “antigen” and “virus” are interchangeable?

The valves of the heart are part of which layer?

Match each term/event with the correct initiator.

Innate immunity _______ .

Which of the following is a function of erythrocytes (red blood cells)?