Bone marrow is the deep, interior portion of your bone. Your bone marrow, which has a spongy consistency, fills the cavities inside your bones and produces blood cells. Healthy bone marrow constantly ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Without even thinking about it, the bone marrow in your body is ...

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...