Cardiovascular System 1-7 Flashcards
(41 cards)
Cardio
Heart
Peri
Around
Phleb
Veins
Scle/sclero
Hard; hardening
Thomb
Clot
vas / vaso
vessel; duct
Hemo / Hemto
Blood
What are the 3 interrelated components of the cardio vascular system?
Blood, Blood Vessels, & Heart
Blood
Is considered connective tissue
What are the 2 components of blood?
Plasma 55% / Formed Elements 45%
What is in the formed elements
Red blood cells
White blood cells
Platelets
What do blood cells do?
Carries oxygen to cells
What do White Blood cells do?
Immune response (leukocytes)
What do Platelets do?
Allows for blood to clot.
Formed blood cells are formed in the ____________
red bone marrow.
What are the 5 types of blood vessels? (in order of largest to smallest then smallest to largest)
Arteries Arterioles Capillaries Venules Veins
What do the Arteries do?
Move blood from the heart to the body.
What are Arterioles?
A very small, almost microscopic artery that delivers blood to capillaries.
What are capillaries?
A microscopic vessel that connect arteriole to venule
What do Venules do?
Receive blood from the capillaries
What do the Veins do?
Return blood to the heart.
What are the characteristics of the Artery?
Thicker walls
Take blood away from heart
No Valve
Arterioles are the smaller version
What are the characteristics of the Vein?
Thinner walls
Move blood towards the heart
Have Valves
Venules are the smaller version
Heart
Is a pump that provides the primary force to circulate blood.
Located in the center of the chest, deep to the sternum