GCSE Biology - What Is Blood Made of? / What Does Blood Do? #25

The video tutorial explores the components of blood, including red blood cells, white blood cells, platelets, and plasma. It explains the functions of each component, such as oxygen transport by red blood cells, immune defense by white blood cells, clotting by platelets, and nutrient transport by plasma. The video also discusses blood replacement methods like artificial blood and transfusions, highlighting their uses and limitations.

What new insight or understanding did you gain from this video?