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Title: Veins: (Multiple Choice) Post by: barry on Mar 3, 2014 Veins:
A) carry blood away from the heart B) branch into smaller vessels called arterioles C) transport oxygen-rich blood D) operate under high pressure E) often have valves to prevent the backflow of blood Title: Re: Veins: (Multiple Choice) Post by: padre on Mar 8, 2014 Content hidden
Title: Re: Veins: (Multiple Choice) Post by: barry on Mar 8, 2014 Thanks.
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