an artery ______________________. a. brings blood back toward the heart b. has valves that prevent blood from flowing backward c. usually (but not always) carries oxygen-rich blood d. has thin, slightly - Qammunity

an artery ______________________. a. brings blood back toward the heart b. has valves that prevent blood from flowing backward c. usually (but not always) carries oxygen-rich blood d. has thin, slightly

asked Jun 28, 2017 209k views

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