Circulation: The heart and blood vessels Flashcards

1
Q

Cardiovascular System

A

Consists of heart and blood vessels

Rapidly transports blood to every cell in the body

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2
Q

Heart

A

Muscular pump that generates pressure for pumping blood

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3
Q

Blood Vessels

A

Blood transport tubes of varying diameter

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4
Q

Arteries

A

Receive blood from the heart (large diameter vessels)

Carries blood away from heart at high blood pressure

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5
Q

Arterioles

A

Blood transport tubes of varying diameter

Blood vessels that connects arteries with capillaries

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6
Q

Capillaries

A

Narrowest blood vessels-fluid diffuse in and out at cell level.
Functions in exchange of substances between blood and extracellular fluid

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7
Q

Venules

A

Receives blood from capillaries; the smallest diameter vessel in venous system

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8
Q

Veins

A

Transport blood back to heart

Large diameter vessel

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9
Q

Blood Circulation

A

Essential for maintaining homeostasis
Brings oxygen and nutrients to body cells
Carries away metabolic wastes
Blood picks up and delivers a diverse array of substances from different systems
-Digestive
-Urinary
-Respiratory

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10
Q

Myocardium

A

Cardiac muscle tissues of the heart wall

Myo=muscle cardiac= heart –> cardiac muscle

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11
Q

Pericardium

A

Tough fibrous sac that surrounds and protects the heart

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12
Q

Endocardium

A

Smooth lining inside heart chambers

Endo= inside cardia=heart= –>inside heart

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