artery [名詞] 動脈 Ex: Atherosclerosis , a condition where plaque builds up inside the arteries , can restrict blood flow and lead to serious health issues like heart attacks and strokes .
blood [名詞] 血 Ex: Donating blood can save lives and help those in need . 血液を寄付することで命を救い、困っている人々を助けることができます。
blood vessel [名詞] 血管 Ex: The surgeon carefully repaired the damaged blood vessel to restore proper circulation .
vein [名詞] 静脈 Ex: Veins help move blood from the legs and arms back to the heart . 静脈は、足や腕から血液を心臓に戻すのを助けます。
red blood cell [名詞] 赤血球 Ex: Red blood cells , also known as erythrocytes , are responsible for transporting oxygen from the lungs to tissues throughout the body . 赤血球は、またの名を赤血球とも呼ばれ、肺から体中の組織へ酸素を運ぶ役割を担っています。