関連ワード:
which of the following blood vessels have thick muscular walls which blood vessels have thick muscular walls which blood vessels have thick muscular walls and narrow lumens which blood vessel has thick muscular walls which of the blood vessels has thick muscular walls which are designed to withstand pressure which blood vessels have the thickest muscular walls which type of blood vessel has thick muscular walls which type of blood vessel has thick muscle walls which blood vessels have thicker smooth muscle walls
