Dictionary » V » Ventilation




(1) (physiology) Breathing; the exchange of air between lungs and outside air; the inhalation and exhalation of air; the process of taking in oxygen from the air that enters the lungs through inhalation and releasing of carbon dioxide through exhalation

(2) (psychiatry) Verbalization of emotional problems

(3) (general) The system of replacing fresh air for noxious or spent air


Pulmonary ventilation may take place naturally, mechanically, or artificially. In general, a person at rest typically breathes and exhales air, at a rate of five to six liters per minute.

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respiratory system

what process used by gases to move in and out of alveoli?? what are 3 accessory muscles we may recruit to increase ventilation beyong normal requirement? how does emotional stress affect depth of breathing? thanks!

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by soufieno
Thu Jul 25, 2013 2:29 pm
Forum: Physiology
Topic: respiratory system
Replies: 1
Views: 2511

Re: food intake and V• O2

V O2? tidal volume? O2 ventilation? throw me a bone here.

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by david23
Wed Sep 19, 2012 8:24 pm
Forum: Physiology
Topic: food intake and V• O2
Replies: 2
Views: 2150


... say that they pumo water throught their mouth and over the gill arches using coordinated movements of the jaw and operculum (gill covers) for the ventilation. Each gill arch has two rows of gill filaments composed of flattened plates called lamallae. Blood flowing through the capillaries within ...

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by killian07
Mon Dec 12, 2011 4:23 am
Forum: General Discussion
Topic: Diffusion
Replies: 2
Views: 4132

Ventilation - Perfusion Coupling

yes, I think you're correct. Since there is low ventilation, the oxygen is bound in blood, but no new one is delivered and thus there is low level of oxygen

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by JackBean
Mon May 23, 2011 11:22 am
Forum: Cell Biology
Topic: Ventilation - Perfusion Coupling
Replies: 2
Views: 5876

Re: Ventilation - Perfusion Coupling

Thanks anyway. The exam is in an hour and I still don't "get it," but I'll just have to hope for the best!

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by lalajane
Mon May 23, 2011 11:19 am
Forum: Cell Biology
Topic: Ventilation - Perfusion Coupling
Replies: 2
Views: 5876
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