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infectious diease
Question | Answer |
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infectious disease | any disease that is caused by an agent that has invaded the body |
pathogen | any agent that causes disease |
bacteria | tiny, single-celled organisms, some of which can cause disease |
virus | a tiny disease-causing paticle that consists of genetic material and a protein coat |
fungus | an organism that absorbs and uses nutrients of living or dead organisms |
antibotic resistance | a condition in which bacteria can no longer be killed by a particular antibiotic |
inflammation | a reaction to injury or infection that is characterized by pain, redness, and swelling |
lymphatic system | a network of vessels that carry a clear fluid called lymph through the body |
white blood cells | a blood cell whose primary job is to defend the body against disease |
vaccine | a substance usually prepared from killed or weakened pathogens or from genetic materialand that is introduced into a body to produce immunity |
symptom | a change that a person notices in his or her body or mind and that is caused by a disease or disorder |
meningitis | an inflammation of the membranes covering the brain and spinal cord |
salmonellosis | a bacterial infection of the digestive system, usually spread by eating contaminated food |
hepatitis | an inflammation of the liver |
amebi dysentery | an inflammation of the intestine caused by an ameba |