Sickness: Lines of defence

---

Size: 3508px × 4961px
Location:
Photo credit: © Dorling Kindersley: Mark Clifton / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acid, anatomy, background, biology, blood, body, boy, cells, colour, cross-section, defence, defences, diagram, ear, education, educator, graph, human, illustration, image, lines, medical, medicine, model, mucus, muscles, organs, saliva, science, sickness, skin, stomach, tears, tissues, torso, vertical, wax, white