Identify the structure labeled “B” in this image of the lung.

BONUS: Asthma is a condition resulting from the overproduction of mucous and constriction of airways in the lungs.  Bronchioles are most affected because they __________.

In the lung, oxygen within the alveolar space is transported first through ____________ in order to reach the blood.

Compare the cells labeled “A” and “B”.  The cell labeled “B” __________.

The cells labeled “A” synthesize the material labeled “B”.  Identify the cells labeled “A” in this image of a section of tooth stained with H&E.

In this image of a section of a blood vessel stained with H&E, the cells labeled “A” __________.

TOTAL SECTION C: [40]

Angiotensin II acts directly on __________ to bring about an increase blood pressure.

Where in the GI system is Auerbach’s plexus found?

BONUS: Celiac disease is best described as __________.