What is blood?and its imp function?

What are the components of the Blood?

What exactly Plasma do?

What does the WBC( White Blood Cells) do?

What does the RBC( Red Blood Cells) do?

Where does this Blood Cells produced?

What are the different types of Blood Groups?

Why do people need blood?

Who benefits from your blood donations?

how long frozen plasma can be stored?

Voluntary Blood Donor Directory O+ O- A+ A- B+ B- AB+ AB-