Blood lecture 1 Flashcards
Cardiovascular system consists of
Heart, blood vessels, blood
Major function cardiovascular system
Deliver oxygen + nutrients
Hematology
study of blood,
Two fluids for transportation
Blood, interstitial fluid
Blood plasma
liquid connective tissue
Blood plasma composition
Water, plasma proteins, dissolved solutes
Blood transports what?
gases, nutrients, hormones, metabolic wastes
Blood regulates what?
pH, temperature, ion composition of IF
Functions of blood: protection
Restrict fluid loss
Defend toxins/pathogens
Avg. blood in adult
~5L
Whole blood =
blood w all components
2 major blood components
Plasma, formed elements
Plasma how much % of whole blood?
55%
Albumins % of plasma proteins
60%
Albumins function
Osmotic pressure
Globulins % of plasma proteins
35%
Antibodies (immunoglobins) function
attack foreign particles
Transport globulins functions
Bind ions, hormones, lipids
Fibrinogen % plasma proteins
~4%
Fibrinogen functions
blood clotting
Plasma solutes: Electrolytes
Essential for cellular activities
Plasma solutes: Organic nutrients
Cell ATP prod.