関連ワード:
which blood vessel has the thickest smooth muscle wall which blood vessel have the thickest smooth muscle wall which blood vessels have the thickest smooth muscle wall quizlet which blood vessel has a thicker smooth muscle walls which blood vessels have thicker smooth muscle walls which type of blood vessel has thick smooth muscle walls which type of blood vessel has the thickest layer of smooth muscle in its walls which blood vessel has the thickest layer of smooth muscle
