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medical science (pathogen groups (viruses (a virus contains of a piece of…
medical science
pathogen groups
viruses
a virus contains of a piece of DNA or RNA wrapped in a protein coat. virus cannot reproduce unless inside a host cell
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bacteria
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scarlet fever, meningococcal
fungi
are made of of more than one cells and have a cell wall, true nucleus and no chloroplasts
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immune defense
antibody:a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.
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some pathogens are able to successfully negotiate both 1st and second lines of defense. they are then faced with the third obstetrical. an immune response involving a special type of white blood cell called lymphocyte
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vaccination what is it
work by stimulating the immune system, the natural disease-fighting system of the body. The healthy immune system is able to recognize invading bacteria and viruses and produce substances (antibodies) to destroy or disable them.
male reproductive system
in the male, sperm are produced in the testes and conveyed to the female in a fluid called semen, which passes out of the body through the penis.
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quarantine
what is bio security
educe the risk of transmission of infectious diseases in crops and livestock, quarantined pests
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