Ibn Al-Nafees and Discovery of the Blood Circulation System

Ibn Al-Nafees worked in the hospital as a physician, and later as a teacher of medicine. Owi ...

The Color of Blood: Red Blood Cells

The chemical communication that brings this about is truly staggering to contemplate. Cells ...

Purification: Types of Impurities (1/2)

What is the ruling of the pig’s meat regarding purity? What is the ruling of blood? What is ...