chapter 7 cardiovascular system and its control Flashcards

(18 cards)

1
Q

blood flow must meet

A

metabolic demands

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2
Q

primary factor that determines cardio vascular adjustments is

A

blood pressure

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3
Q

major functions of the cardiovascular system

A
  • deliver oxygen and nutrients
    -remove CO2 and other waste products
    -transport hormones and other molecules
    -supports temperature balance and fluid regulation
    -maintains acid base balance
    -regulates immune function
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4
Q

what are the four chambers of the heart

A

left and right atrium, left and right ventricle

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5
Q

atrium are the ____ chambers

A

receiving

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6
Q

ventricles are the ___ chambers

A

pumping

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7
Q

the right atrium and ventricle are responsible for what kind of circulation

A

pulmonary

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8
Q

what does pulmonary circulation do

A

pumps deoxygenated blood from body to lungs

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9
Q

route of pulmonary circulation

A

vena cava> right atrium> tricuspid valve> right ventricle> pulmonary valve> pulmonary arteries> lungs

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10
Q

left atrium and left ventricle are responsible for what kind of circulation

A

systemic

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11
Q

what is systemic circulation

A

pumps oxygenated blood from lungs to body

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12
Q

route of systemic circulation

A

lungs> pulmonary veins> left atrium> mitral valve> left ventricle> aortic valve> aorta

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13
Q

what has a higher capillary density cardiac or skeltal muscle

A

cardiac

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14
Q

which muscle has higher mitochondria count cardiac or skeletal

A

cardiac

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15
Q

what does cardiac muscle have anatomically that skeletal or smooth muscle does not

A

intercalated discs

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16
Q

what causes the rhythmic continuous contraction in cardiac muscle

A

calcium induced calcium release

17
Q

what is Functional syncytium

A

the whole collection of cells act as one unit while maintaining their cellular role
-in cardiac muscle all dem jawns contract at the same time