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What is hemoglobin? 14 fans have answered this question No one has commented yet 50% medium

How long does a red blood cell survive in the bloodstream? 14 fans have answered this question No one has commented yet 71% medium

If あなた are a universal donor, what blood type do あなた have? 13 fans have answered this question No one has commented yet 69% medium

What's the color of the human blood? 13 fans have answered this question No one has commented yet 69% medium

What is a hematocrit? 12 fans have answered this question No one has commented yet 58% medium

What substance makes up the majority of plasma? 11 fans have answered this question No one has commented yet 55% medium

What is the function of white blood cells? 11 fans have answered this question No one has commented yet 55% medium

How many liters of blood does the adult human body contain? 11 fans have answered this question No one has commented yet 64% medium

What does it mean when there's an increase of white blood cells in the body? 10 fans have answered this question No one has commented yet 60% medium

There are six main types of white blood cells in the blood. Which type is the most common? 9 fans have answered this question No one has commented yet 44% medium

How does blood get its red color? 9 fans have answered this question No one has commented yet 44% medium