Related topics: blood vessels · brain · heart attack · stroke · heart muscle

How to avoid snakebites

If you live in a country with venomous snakes, or are travelling to one, here are a few tips to avoid being bitten.

Physicists find the limits of multitasking in biological networks

Many complex systems in biology can be conceptualized as networks. This perspective helps researchers understand how biological systems work on a fundamental level, and can be used to answer key questions in biology, medicine, ...

Optoacoustic microscopy at multiple discrete frequencies

Optoacoustic imaging powered by short bursts of continuous wave (CW) lasers can stimulate the emission of ultrasound waves inside an animal or in human subjects. The method can noninvasively capture blood flow and produce ...

What happens to the brain in zero gravity?

NASA has made a commitment to send humans to Mars by the 2030s. This is an ambitious goal when you think that a typical round trip will anywhere between three and six months and crews will be expected to stay on the red planet ...

Integrated sensor could monitor brain aneurysm treatment

Implantation of a stent-like flow diverter can offer one option for less invasive treatment of brain aneurysms—bulges in blood vessels—but the procedure requires frequent monitoring while the vessels heal. Now, a multi-university ...

The freediving champions of the dolphin world

For the first time, researchers have explored the physiological adaptations that enable different populations of the same species of dolphin to vary in diving ability by almost 1000m. The research, published in two complementary ...

page 1 from 11

Blood flow

Blood flow is the flow of blood in the cardiovascular system.

It can be calculated by dividing the vascular resistance into the pressure gradient.

This text uses material from Wikipedia, licensed under CC BY-SA