White blood cell, also called leukocyte or white corpuscle, a cellular component of the blood that lacks hemoglobin, has a nucleus, is capable of motility, and defends the body against infection and disease by ingesting foreign materials and cellular debris, by destroying infectious agents and cancer cells, or by producing antibodies. Bone marrow is the spongy tissue inside some of your bones, such as your hip and thigh bones. It contains stem cells. The stem cells can develop into the red blood cells that carry oxygen through your body, the white blood cells that fight infections, and the platelets that help with blood clotting.
Two days ago Federico fell and I had dollar on the back
Not sure if what you wanted was a translation, but meh.
5.tienes ganas de comer
6.no tiene razón
Answer: A que hora
Explanation: the answer is about time, so the most logic question is at what time he goes to home