What is responsible for detecting foreign invaders a. antigens b. red blood cells c. lymph nodes d. axons

You from K12, too? The answer is C.

Hope it helped! Good luck on the finals! :D

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;