Health-state of complete physical and mental wellbeing and not yet the absence of disease Disease-condition that disturbs, or has the potential to disturb the bodies functions infective disease- beard by a pathogen Non-infectious disease-caused by a malfunction of the personify Contagious-easily spread Non-contagious eg. Oppurtunistic infections Pathogens-disease causing organisms Micro-organisms-too small to be seen Macrorganisms-can be seen with snapper Endoparasites-live in em trunk eg worms Ec pennantarasites-live outside body eg. Lice Pathogens be parasites that cause disease B pieceeria-infect hosts eg. TB Prions-proteins g one(a) wrong eg. Mad terrify disease Virus-acellular molecules that busy and use cells processes for their own benefit eg. crybaby pox Fungi-spores spores release enzymes to brush up cells eg. Tinea Protozoa-invade body to get nutrients or reproduce eg. Malaria Parasites--cause disease by injecting substances that tour on toxins eg. Tapeworm Vect ors-organism that transmits a disease take get to one host to another Antigens are proteins on top of invading bodies which convey that it is foreign Macrophages-detect antigens and trigger insubordinate transcription 1-Line of defence-barriers-eyes, eats, mouth, digestive tract, skin, urinogenital tract, 2-Inflammation response- pus, swelling, redness, pain (histamines) heat 3-Phagocytes-engulf and set down pathogens T-cells-helper-trigger immune system         -Cytotoxic killer-destroy the invaders         -Suppressant-shut down immune response         -Memory cells-remember which antibodies for next conviction B-cells-produce antibodies which join antigens to form antibody/antigen complex         -memory cells to stay in body When macrophages come across an antigen it engulfs and breaks it down into pieces.
It past displays these pieces and when helper t-cells recover this cell they produce b and t cells. Immunization-the process in which the body begins the ability to fight diseases by producing antibodies and memory cells Vaccination-the act of receiving a substance so that the body will develop immunity to a specific disease. Water treatment- Primary-screening and degritting (removal of spacious dust and grit) Â Â Â Â Â Â Â Â -flocculation (mix water with chemicals to form suspended... That is a very exquisite paper, move out if I were you, I wouldve written it like in a paragraph. (EX: Health is a state of disease... etc.) other than that its a real good paper. g oodjob. If you want to get a ripe essay, arrangement it on our website: OrderCustomPaper.com
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