1. Red blood cells (erythrocytes): These cells are responsible for carrying oxygen from the lungs to the rest of the body.
2. White blood cells (leukocytes): These cells are part of the immune system and help fight infections.
There are also other cell types produced in the bone marrow, including:
* Platelets: These are cell fragments that help stop bleeding.
* Stem cells: These are undifferentiated cells that can develop into any of the other cell types in the bone marrow.