Informative video - Why white blood cells are important and much more

The video shows the importance of white blood cells, their major types, and functions.This video also provides knowledge about other topics like why blood is red in colour? What is blood pressure? What is systole and diastole? Why do blood have types? And much more. See this video as an extra informational piece. TIMELINE: 0:05 Why white blood cells important for our body? 0:30 Five major types of white blood cells. 0:42 Function of neutrophils for our body 0:51 Function of basophils for our body 1:03 Function of eosinophils for our body 1:14 Function of monocytes for our body 1:24 Why do blood types matter? 2:18 Uses of blood types 2:41 What is blood pressure? 3:24 Systole 3:34 Diastole 4:30 Why is blood red in colour? 4:55 What is hemoglobin?