For this journey you are miniaturized and injected into the interior of the largest bone of your host body, the

The largest, longest, and the strongest bone of the human body is the femur. The femur is also called the thighbone. Hematopoiesis Hemostasis Hemocytoplasts Neutrophil Phagocyte Erythropoietin RBC Hemaglobin Oxygen. The longest single bone in the human body is the Femur or "thigh bone". femur.