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 ...

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, ...

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 ...

Astronaut Thomas Pesquet inserts blood samples for MARROW into the Minus Eighty-Degree Laboratory Freezer aboard the ISS. A study of 14 astronauts suggests that while space travel depletes red blood ...