1The red fluid that circulates through the body, carrying oxygen and nutrients; used mainly in medical or formal contexts, while 血 is more common in casual speech.
事故で大きな傷から血液が流れ出た。
After the accident, blood flowed from the large wound.
健康診断で血液検査を受けた。
I had a blood test as part of the health checkup.
緊急で輸血が必要だと告げられた。
I was told that an emergency blood transfusion was necessary.
献血をすると、多くの人の血液を助けることができる。
By donating blood, you can help many people who need it.