| Component | Function |
|---|---|
| Red Blood Cells or Erythrocytes | They carry the protein hemoglobin, which transports oxygen from the lungs to the rest of the body |
| White Blood Cells or Leukocytes | They are primarily responsible for protecting the body from infection. |
| Platelets or Thrombocytes | They help the blood clotting process (or coagulation) by gathering at the site of an injury. |
| Plasma | It is the liquid component of blood and transports blood cells throughout the body along with nutrients, waste products, antibodies, clotting proteins, chemical messengers such as hormones, and proteins that help maintain the body's fluid balance |
| Name | Function |
|---|---|
| Basophil | Normal white blood cell which increase with bone marrow damage, parasitic infections, or allergic reactions. |
| Eosinophil | A type of white blood cell that controls mechanism associated with allergies and defends the body from infection by parasites and bacteria. |
| Lymphocyte | Two types - T lymphocytes which help regulate the function of other immune cells and directly attacks infected cells and tumors and B lymphocytes which make antibodies. |
| Monocyte | A white blood cell that ingests bacteria and foreign particles. |
| Neutrophil | The most common type of white blood cell, which helps the body fight infection. |