Question

multiple choice question
alveolar macrophages are found in the ______

skin

spleen

lungs

liver

Explanation:

Alveolar macrophages are a type of immune cell found in the alveoli of the lungs, where they play a role in defending against pathogens and removing debris. The skin has different immune cells (like Langerhans cells), the spleen has white pulp with immune cells, and the liver has Kupffer cells, not alveolar macrophages.

Answer:

C. lungs