Fluctuate

... mechanism for maintaining this barrier function lies in the capillary network supplying blood to the brain. Ion concentration levels in plasma may fluctuate abruptly. The blood- brain barrier protects the brain against surging fluctuations in ion concentrations. The concept of the blood brain barrier ...

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... a particular type of case that people like to use to argue against the percieved threat, since temperatures and weather patterns are known to fluctuate over years and generations. Scientific evidence supports the hypothesis that weather patterns occur in cycles; cycles within cycles even. ...

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... heart will beat at 70-80 times/minute.(as per sex) My question is if Sympathetic nerves are cut will the heart beat at the same rate or will it fluctuate? As per my opinion the heart will beat at the same rate as they are the regulators but not the stimulators. That means at the time of need ...

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... from more than one point of view. First of all, the level of oxygen has been a steady 20.95% in the athmosphere for a lot of years!! It does not fluctuate, because that plant, although it does more photosynthesis during the summer is using that excess glucose it created to grow(as victor said). ...

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