First 145 words of the document:
Active immunity immunity developed by the body to foreign
Antibiotic medicine that kills bacteria.
Antibody chemical produced by the body's immune system to
destroy foreign invading organisms.
Antigen a thing that is foreign to the body.
Benign not malignant. Will grow like a cancer.
Host a live organisms that is fed upon by a parasite.
Malignant tumour that consists of rapidly developing cells and is
Parasite organisms that live on or in another living organism
causing it harm.
Passive immunity short lasting immunity that is gained by
injecting other peoples' antibodies.
Pathogen disease-causing organisms.
Toxin poisons produced by microorganisms.
Tumour a group of unspecialized cells that may be malignant or
Vector organisms that transmits and carries diseases.