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Stack #35709

A&P2-Class Notes P34 ImmuneSys- #1/Test 3

QuestionAnswer
Overall, the two intrinsic defense systems act: Independently, but cooperatively to facilitate body defense
The two Body Defense systems are called: NONSPECIFIC & SPECIFIC (ADAPTIVE)
FIRST LINE OF DEFENSE: SKIN (& IT'S PRODUCTS) and MUCOUS MEMBRANES (& PRODUCTS)
SKIN & MUCOUS MEMBRANES HELP BY: blocking the entrance of micro-organisms
EPIDERMIS IS HEAVILY: keratinized
Keratin help to provide a: physical barrier- water proof
Keratin is resistant to: toxins, bacterial enzymes and weak acids
Intact mucosae provide physical (mechanical) barriers as they: cover and line body organs
Mucous membranes produce: defensive chemicals
The acidity of secretions produced by some membranes helps: inhibit bacterial growth
Examples of mucous membranes are: vaginal membranes, gastric lining,
Sebum is: ear wax
Sebum contrains chemicals: toxic to bacteria
Stomach mucosa produces: 2 HCI and protein-digesting enzymes
HCI is hydro chloric acid
Saliva & lacrimal fluid contain: lysozyme
lysozyme is: an enzyme that destroys bacteria
lacrimal fluid is found: tears
Mucus feels: sticky
Mucus traps micro-organisms trying to enter:2 the respiratory and digestive systems
Some mucous membranes have special structures, such as: hair or cilia, to repel/trap invaders
Releasing chemicals for communication is called: Chemo tactic
Anything that prevokes a response is: Antigen
Paracrine chemical that acts locally
Hormones travel globally
Acquired Immunity: from having the disease OR from vacine
Passive Immunity: from Mom-not long lasting
Mucus the fluid product
Mucous the producer
PPI protein pump inhibitor
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