Month: May 2022

Anemia: causes, symptoms and treatment

Anemia is a medical condition characterized by not having enough red blood cells to carry oxygen to tissues. There are several types of anemia, each...

Introduction to coronavirus essay

At first, We should note that coronaviruses are one of the most important factors targeting respiratory systems in humans. Coronaviruses are enveloped +ssRNA viruses and...

10 causes of death in the world

10 causes of death in the world, The average human lifespan has increased in the past twenty years from approximately 67 to 73 years, but...