IN SPACE, BLOOD SHIFTS, a 26 second explainer. Some micro-gravity effects on the circulatory system

Описание: 26 second 3D animation explainer focusing on some of the effects of short term and long term exposition to microgravity on the human body's circulatory system.

Our body is adapted to life on earth. Gravity pulls blood down creating a pressure gradient in the circulatory system.

In microgravity fluids aren’t pulled down and shift to thorax and head region, pressure distribution changes and blood volume redistributes.

Immediate entering microgravity: higher transmural pressure in veins and arteries

Long term exposure to microgravity: 15% of plasma leaks to surrounding; Higher red blood cells concentration; Blood thickens, and to regulate the organism eliminates 12%-15% of red blood cells; Decrease in central venous pressure; The heart becomes more spherical; Higher intracranial pressure with an increased pressure in the back of the eye, causing in time a remodelling of the eye leading to impaired vision

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