Don't break your streak - November 14's question is up

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November 14, 2026/Respiratory System
Can You Track CO in Blood?
TEAS Science challenge: How does most carbon dioxide travel in the bloodstream? Tap to decide now!
Which of the following describes how most carbon dioxide gets transported through the bloodstream?
<p style="text-align:left;font-family:'Open Sans',arial,helvetica,sans-serif;font-size:16px;color:#000000;margin:0 0 12px;"><input type="radio" name="ans" value="no" />&nbsp;By changing into carbonic acid</p><hr /> <p style="text-align:left;font-family:'Open Sans',arial,helvetica,sans-serif;font-size:16px;color:#000000;margin:0 0 12px;"><input type="radio" name="ans" value="no" />&nbsp;By dissolving in blood plasma</p><hr /> <p style="text-align:left;font-family:'Open Sans',arial,helvetica,sans-serif;font-size:16px;color:#000000;margin:0 0 12px;"><input type="radio" name="ans" value="no" />&nbsp;By binding to hemoglobin</p><hr /> <p style="text-align:left;font-family:'Open Sans',arial,helvetica,sans-serif;font-size:16px;color:#000000;margin:0 0 12px;"><input type="radio" name="ans" value="no" />&nbsp;By traveling as bicarbonate ions</p>
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14 November 2026 · 16:00 UTC