Describe the structure of the respiratory membrane and why is this important.

Which are the visible tonsils located at the back of the mouth?

What type of immunity is acquired from receiving a vaccine?

Identify the major structures of the respiratory system.

Which is a characteristic of nonspecific or innate immunity?

What is the correct movement of lymph through the lymph nodes?

What is not a characteristic of humoral immunity?

What provides the large surface area for gas exchange?

What part of the respiratory system is known as the voice box and consist of the vocal cords?

Which is not an example of the second line of immune defense?