World Health Organization.
who_.pdf | |
File Size: | 655 kb |
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The Immune System: The defences of the organism. The body has many ways to protect itself: barriers and soldiers? No, but similar structures: Skin, glands, mucus, our own bacteria and the specific cells and molecules, leukocytes (lymphocytes) and immunoglobulines (antibody). (
health_and_disease.pptx | |
File Size: | 496 kb |
File Type: | pptx |