척추동물의 적혈구 속에 들어 있는, 산소를 운반하는 역할을 하는 철을 함유한 붉은색의 복합 단백질.
A red protein responsible for transporting oxygen in the blood of vertebrates, consisting of four subunits each containing an iron atom bound to a heme group.
예문:
"A blood test is used to measure the concentration of hemoglobin in your red blood cells."
"Iron is a vital component of hemoglobin, which allows blood to carry oxygen to the body's tissues."
"When hemoglobin levels drop significantly, a person may experience symptoms of anemia such as fatigue."