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Blood, by definition, is a fluid that moves through the vessels of a circulatory system. In humans, it includes plasma (the liquid portion), blood cells (which come in both red and white varieties), …

Learn about the differences between lymph and blood. Find out what is actually in lymph, and how it might be different across your body. By Patrick van Nieuwenhuizen.

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Spin down your blood and find out what it's made up of. This video provides a detailed look at the composition of blood, explaining the roles of plasma, white blood cells, and red blood cells. It …

Blood transports nutrients, gases, and wastes across the body, thanks to its specialised components. We’ll learn about the composition of blood, its key functions, and the roles of red …

Although both cortical and juxtamedullary nephrons regulate the concentrations of solutes and water in the blood, countercurrent multiplication in the loops of Henle of juxtamedullary …

When you had your blood taken for a test, have you wondered why it looked red? Have you wondered what blood was made of? And why it's so important? Watch the series of videos to …

Because in the rest of the body when we're going away from the heart or we're talking about arteries, you're going to see that that's oxygenated blood, while when we're going away from …

Symptoms include severe pain, nausea, vomiting, and blood in urine. Treatment varies based on size and composition, including pain management, hydration, medications, lithotripsy, or surgery.