a: Lymph node ~
b: miniature spleens
What: "The lymph nodes are like miniature spleens distributed all throughout the body. They store B, T, and other immune cells, and they trap foreign particles and also filter the lymph that passes through them."
Useful?
Writer: lloricwriter
LCC:
Where:
Date: Jun 10 2013 10:53 AM
# 3303 Critique Analogy