Drugs

1. Erythrocytes

1.1. They carry oxygen

1.2. They are formed in the bone marrow

1.2.1. It is made up of cells of hemocytoblasts

1.2.2. proerythroblast

1.3. They make up 41% of the blood

1.4. Also known as red blood cells

2. They are defender cells of the organism

3. Leukocytes

3.1. They are released into the bloodstream

3.2. They are formed in the bone marrow

3.2.1. Released as needed

3.3. They make up 4% of the composition of the blood

3.4. Phagocytes

3.5. Also known as white blood cells