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Red blood cells have cell membranes that allow water, oxygen, carbon dioxide and glucose to pass through. All other materials are blocked from entering. This makes the membrane A. perforated. B. semi-permeable. C. non-conductive. D. permeable
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Asked 2/14/2012 8:55:11 AM
Updated 9/15/2014 6:24:47 PM
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User: Red blood cells have cell membranes that allow water, oxygen, carbon dioxide and glucose to pass through. All other materials are blocked from entering. This makes the membrane A. perforated. B. semi-permeable. C. non-conductive. D. permeable

Weegy: B. semi-permeable.
danimai|Points 521|

User: Capillaries belong to which body system? A. skeletal B. nervous C. digestive D. circulatory

Question
Asked 2/14/2012 8:55:11 AM
Updated 9/15/2014 6:24:47 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by emdjay23 [9/15/2014 6:24:47 PM]
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Red blood cells have cell membranes that allow water, oxygen, carbon dioxide and glucose to pass through. All other materials are blocked from entering. This makes the membrane: SEMI-PERMEABLE.

Added 9/15/2014 6:24:43 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [9/15/2014 9:42:19 PM]
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