Blood is made up of plasma and solid components. Of these, the larger part is plasma, comprising about 55%. It appears as a straw-colored fluid and is composed mainly of water, but also carries ...

Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of ...

Your cardiovascular system consists of your heart, blood vessels, and blood. Together, they are a liquid transport network. This system delivers oxygen and nutrients to your body and picks up waste ...

Researchers have used super-resolution microscopy to unveil the geodesic mesh that supports the outer membrane of a red blood cell, in a discovery that could eventually help uncover how the malaria ...

Being overweight may cause higher blood pressure and changes to the heart's structure, even in young adults. Efforts to achieve or maintain a normal weight from a young age may help to prevent the ...

Red blood cell disorders refer to conditions that affect either the number or function of red blood cells (RBCs). Also known as erythrocytes, RBCs are concave, disc-shaped cells that move through ...