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), and cell …

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.

The first step in making urine is to separate the liquid part of your blood (plasma), which contains all the dissolved solutes, from your blood cells. Each nephron in your kidneys has a microscopic filter, …

Blood is about 45% cells and 55% plasma, so the adage “blood is thicker than water” holds true in scientific terms! Learn more about how this system works in these videos.

Maintaining a constant blood pH is critical for the proper functioning of our body. The buffer that maintains the pH of human blood involves a carbonic acid (H 2 CO 3 ) - bicarbonate ion (HCO 3 ) …

This article provides an overview of the structure of the kidney and the different components of the nephron, as well as its blood supply.

This exercise has questions about the components of blood - plasma, RBCs, WBCs, and platelets.

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 answer these …

Uncover the body's strategy for blood clotting to halt excessive blood loss. Learn about the crucial roles of endothelial cells, platelets, and fibrin in creating a platelet plug.

When you donate blood, they have machines that can separate components of whole blood into plasma and red blood cells. Antibodies are generally found in the plasma and in a blood transfusion, only the …