The urinary system consists of two kidneys, ____, the bladder, and the urethra. The kidneys ____ and remove waste in the blood to produce urine. You can live with only one ____. The ureters ____ from the kidneys to the ____. The bladder ____. Then, the ____ out of the body.

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?