ID 172004656 © 11sakurra1 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
activation afferent anatomical anatomy antibody antigen biology blood body capillaries capillary cardiovascular cell circulation circulatory defense diagram disease education efferent filtration fluid function health human illustration immune immunity infection leukocyte lymph lympha lymphatic lymphocyte lymphocytes lymphoid mechanism medical medicine node nodes organ production schematic scheme science showing spaces structure system tissue vector vessel vessels