Signal from the brain activates muscle and CVS simultaneously. CV center ___ PNS and
___ SNS. feed forward mechanism to help match oxygen supply to demand
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decrease; increase
_______- valves prevent backflow of blood
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venous
When does dilation improve in arteries?
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Early in training
Vo2 max= CO x a-v O2 difference = _______ equation
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Fick
What is functional sympatholysis?
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Dilators act on SN, reducing NE release and they make alpha receptors less
responsive to NE
How is work of breathing minimized?
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, After tidal volume plateaus, further increases in ventilation are mediated by
increased breathing frequency.
The RZ provides a link between what?
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Pulmonary and CV system
dilation improved in microcirculation ___ in training
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later
Capillary density is high in _____.
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oxidative muscle
Non-trained Co=
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, 20 L/min
The central command is a _____ mechanism to help match O2 delivery to demand.
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"feed forward"
gas flows from area of ___ pressure to ____ pressure
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high to low
At maximal exercise, what percent of CO is going to muscle?
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85-90%
What favors gas exchange in capillaries?
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___ SNS. feed forward mechanism to help match oxygen supply to demand
Give this one a try later!
decrease; increase
_______- valves prevent backflow of blood
,Give this one a try later!
venous
When does dilation improve in arteries?
Give this one a try later!
Early in training
Vo2 max= CO x a-v O2 difference = _______ equation
Give this one a try later!
Fick
What is functional sympatholysis?
Give this one a try later!
Dilators act on SN, reducing NE release and they make alpha receptors less
responsive to NE
How is work of breathing minimized?
Give this one a try later!
, After tidal volume plateaus, further increases in ventilation are mediated by
increased breathing frequency.
The RZ provides a link between what?
Give this one a try later!
Pulmonary and CV system
dilation improved in microcirculation ___ in training
Give this one a try later!
later
Capillary density is high in _____.
Give this one a try later!
oxidative muscle
Non-trained Co=
Give this one a try later!
, 20 L/min
The central command is a _____ mechanism to help match O2 delivery to demand.
Give this one a try later!
"feed forward"
gas flows from area of ___ pressure to ____ pressure
Give this one a try later!
high to low
At maximal exercise, what percent of CO is going to muscle?
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85-90%
What favors gas exchange in capillaries?
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