Components of Blood II | Body Fluids and Circulation | Class XII | Biology | Khan Academy

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Description: When you had your blood taken for a test, have you wondered why it looked red? Have you wondered what blood was made of? And why it's so important? Watch the series of videos to answer these questions and more!
Timestamps:
0:00 Introduction
0:33 Red blood cells
2:07 Haemoglobin
2:52 Functions of red blood cells
4:35 Platelets
5:26 Megakaryocytes
5:54 Platelets functions
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