Chapter 7: Body Fluids And Immunity Flashcards
Fluid balance
Fluid intake equals fluid output
Body Fluid Function
To transport nutrients and remove wastes
Intracellular fluid
Within cells; majority of fluid in an adult’s body
Extra cellular
Majority of fluid
Plasma (extracellular)
The liquid part of blood
Intrerstitial fluid (extracellular)
Located between the cells & tissue spaces
Blood is carried away from the —– by ——– to all —– in the body
Heart, arteries, cells
Secretion
Process of discharging chemical substances needed by the body
Excretion
Elimination of waste substances
Nonspecific defense mechanisms
Fights against all pathogens
Barriers
Prevent pathogen entry
Complement
Destroys bacterial cells
Interferon
Protect cells from viral infection
Phagocytes
Remove debris and pathogen
Inflammation
Localizes damage and prepared tissues for healing
Specific defense mechanisms
Mechanisms only for particular pathogens
Cell-mediated immunity
Involves T-Lymphocytes or T cells, a WBC
Antibody-mediated immunity
Involves B-Lymphocytes or B cells, a WBC
Active natural immunity
Contracts disease and produce memory cells