Chapter 17- Blood Flashcards
Purpose of the heart
Propel blood and maintain blood pressure
Contentment’s of cardiovascular system
The heart
Blood Vessles
Blood
What are the three blood vessels?
Arteries
Capillaries
Veins
What is the purpose of blood Vessles?
Distribute blood around body
Purpose of arteries
Carry blood AWAY from heart into capillaries
Purpose of capillaries
Permit diffusion between blood and interstitial fluid
Purpose of veins
Return blood to capillaries of heart
Purpose/functions of blood
Transport Regulate ph and ion concentration in interstitial fluid Restrict fluid losses at injury sight Defend Stabilize body temp
What is whole blood
Blood composition that has not been altered
Properties of while blood
38C (100.4F)
Blood 5x thicker than water
Blood pH 7.35-7.45
What makes up whole blood
55% plasma
45% formed elements
What is plasma
Liquid matrix
What are formed elements?
Cells and cell fragments
What are the components of plasma?
Plasma proteins
Solutes
Water
What are the components of formed elements?
Platelets
White Blood Cells
Red Blood Cells