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Laid end-to-end, an adult's arteries, veins and capillaries would stretch for about 100,000 miles - enough to wrap around the world nearly four times. Each 2.54 square centimetre (a square inch) of ...

Red blood cell Carry oxygen. Contain haemoglobin (rich in iron) to carry oxygen. Biconcave shape to provide a large surface area for the diffusion of oxygen. No nucleus to provide more space for ...

Osmosis is the diffusion of water molecules from a dilute solution (high concentration of water) to a more concentrated solution (low concentration of water) across a selectively permeable membrane.

Vascular disease is any condition that affects the network of your blood vessels. This network is known as your vascular or circulatory system. "Vascular" comes from a Latin word for hollow container.

Abstract: The simulation of human cardiovascular dynamics is essential for understanding organ pathology and advancing cardiovascular assistive devices. However, a notable gap remains in defining ...

We list the best business phone systems, to make it simple and easy to make your business calls flexible and secure using software. It seem surprising to find business phone systems using software, ...

Anaphylaxis is a severe allergic reaction that can quickly become life threatening. It can affect breathing, digestion, and circulation within seconds of exposure. Symptoms can include wheezing, chest ...

The somatosensory system consists of the peripheral receptors and neural pathways through which the nervous system detects and processes information about touch (mechanoception), pain (nociception), ...

The peripheral nervous system is the part of the nervous system outside the brain and spinal cord. It consists of nerves that carry information between the central nervous system and the extremities ...

Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...

Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...