04-10-2018
Biology

contestada

what blood vessels contain valves?

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justin0208 justin0208

04-10-2018

Veins contain valves that ensure blood flows in only one direction. Valves also help blood travel back to the heart against the force of gravity.

Hope this helps.....

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AmyCollette AmyCollette

04-10-2018

veins and capilliaries contain valves.

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