When effective, remove hydrogen ions to allow formation of bicarbonate. An example is imidazole.
A condition in which the red blood cell count is high. (>55%) Lowlanders experience this when at high altitudes.
The state of having unusually low oxygen within the tissues of animal
Catalyzes hydration of CO2 to HCO3-.
In blood, the amount of O2 per unit of volume when the respiratory pigment is saturated with O2
Takes up CO2 into red blood cell. Acts similar to parvalbumin
Chloride moves into cell from the plasma at the same time as bicarbonate moves into the plasma.
Down
metalloprotein pigments that undergo reversible combination with O2
The readiness with which a respiratory pigment binds with oxygen
Result of decrease in partial pressure of oxygen of arterial blood
When oxygenation of respiratory pigments alters carbon dioxide equilibrium curve.
Dominant form of carbon dioxide in the blood of animals.
Arises when the exhalation of CO2 is abnormally increased relative to CO2 production.
Is the result of lactic acid build up from vigorous exercise.
Only adult vertebrates with no hemoglobin
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All your puzzles are accessible from your 'My Puzzles' page, which you can access using the navigation bar at the top when you are logged in.
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There is a 'Make Printable' button on the top left of your puzzle that will let you sign up for a plan or purchase a single puzzle.
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It looks weird when printed.
First make sure you’ve published your puzzle. See the 'How do I print?' section above for more information.
99% of other printing issues have to do with printer settings. Instead of trying to fiddle with printer settings, which can be time-consuming and frustrating, there are a couple workarounds you can try.
You can try printing from a different browser, since different browsers have different default print settings. Alternately, you can try saving as a PDF (next to the print icon) and print that.
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When you hit the 'Arrange' button, our algorithm will try to arrange all your words on the grid, and will move words around to try to fit the most words.
This will get all the words on the grid about 90% of the time, depending on the word list. For the other 10%, you will get an alert explaining that the words that did not fit were added to the scratchpad.
It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
That said, different browsers print in slightly different ways, so you could try using 'print preview' using a different browser (or try the PDF button) to see if you like how that looks better.
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