Tagged: blood

How a wound heals itself

Our skin is the largest organ in our bodies, with a surface area of about 2 squaremeter in adults. When we are cut or wounded, our skin begins to repair itself through a complex,...

Casting a bronze axe

Wait for the cut… Tito4re casts an axe out of bronze (88% copper 12% tin) using 3 kg of copper and 400 grams of tin. The weight of this axe is 2,6 kg. This...

How blood pressure works

If you lined up all the blood vessels in your body, they’d be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body’s...

The unfixed brain

In this teaching video, Suzanne Stensaas, Ph.D., Professor of Neurobiology and Anatomy at the University of Utah School of Medicine, demonstrates the properties and anatomy of an unfixed brain. This video contains graphic images, a...

Mountain hiking self surgery

A hematoma is an abnormal collection of blood outside of a blood vessel. It occurs because the wall of a blood vessel wall, artery, vein, or capillary, has been damaged and blood has leaked...

A guide to compression socks

Compression socks or stockings can be found on the legs of a wide swath of the population, from pilots, flight attendants, runners, and nurses to pregnant women, people recovering from surgery, and people otherwise...