血管(けっかん)blood vessel, vein

血管(けっかん)は体内(たいない)に血液(けつえき)を送(おく)っています。

Blood vessels are transporting blood throughout the body. {blood vessel, vein}

体内(たいない)に血(ち)を送(おく)る管(かん)の事(こと)を血管(けっかん)と言(い)う。

The term used to refer to the tubes that deliver blood within the body is called a blood vessel. {blood vessel, vein}

血管(けっかん)は動脈(どうみゃく)と静脈(じょうみゃく)、毛細(もうさい)血管(けっかん)に分(わ)けられます。

Blood vessels are divided into arteries, veins, and capillaries. {blood vessel, vein}

カッターナイフで血管(けっかん)を切(き)ったら大量(たいりょう)の血(ち)が流(なが)れ出(で)てきました。

When I cut a blood vessel with a box cutter, a large amount of blood started to flow out. {blood vessel, vein}

脳内(のうない)の血管(けっかん)で血液(けつえき)が詰(つ)まってしまったがゆえに、兄(あに)は脳(のう)梗塞(こうそく)になってしまったそうだ。

It seems that my brother had a stroke due to a blockage in the blood vessel in his brain. {blood vessel, vein}