This printable crossword puzzle on the topic of Human Body Systems has 18 clues. Answers range from 4 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
engulf and destroy bacteria, viruses and other foreign substances
type of WBC that are located in lymph nodes
2nd Line of Defense
found in the walls of small intestines, destroy bacteria
highly specific resistance to a disease
anything that can cause a disease
inflammatory chemical released during an allergic reaction
any substance capable of exciting the immune system
type of immunity acquired when you get a vaccine or a pathogen
type of immunity acquired when you get antibodies
when tissues are transplanted from a different animal species
when immune system attacks own body
disease in which myelin sheaths of the brain and spinal cord
caused by the blockage of lymph vessels by filarial worms
small masses of lymphatic tissue that ring the pharynx
1st Line of Defense
type of acquired immunity that humans control
abnormal vigorous immune response