During venipuncture, pressure differences between the vein and the vacuum in the Vacutainer forces blood into the tube. Image by Tannim101 (CC BY 3.0) During venipuncture, pressure differences between ...

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, ...

A puzzle for millennia, the movement of blood through the body was solved by an English physician in the 17th century, paving the way for modern medical technologies. What do chemotherapy, dialysis, ...

Gravity reduces blood flow to the brain, and this reduced circulation may contribute to brain ageing. This is a new scientific hypothesis unveiled by Eternal CEO Deepinder Goyal's Continue, a human ...

It is a basic principle in biology- blood is made in the bone marrow. It’s where the cells(hematopoietic stem cells (HSCs))responsible for generating red blood ...

Most people have never heard of the soleus muscle, a small but mighty muscle present in the calf that makes up about 1% of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Excerpted from The Wine-Dark Sea Within: A Turbulent History of ...