The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body.

Red blood cells close red blood cellThe blood cell which contains the pigment haemoglobin responsible for the transport of oxygen. transport oxygen around the body. They are specialised to carry ...

The red cell of vertebrates is a remarkably effective device for the transport of oxygen to other cells. Many workers seek to elucidate the intricate molecular structure of its surface By Erie Ponder ...

Plasma is a straw-coloured liquid that makes up just over half the volume of blood. Types of blood cell and cell fragments: red blood cells white blood cells platelets This table explains the ...

A shortage or change in the size or function of red blood cells. These cells carry oxygen to organs of the body. Symptoms can include shortness of breath, fatigue and lack of concentration. Immune ...

Vitamin B12 is a vital nutrient essential for maintaining a healthy nervous system, supporting red blood cell formation, and producing DNA.

Red blood cells are essential for carrying oxygen ... environment could interfere with red blood cell formation and oxygen ...

Discover 10 fascinating animals with blue blood and learn how hemocyanin helps them survive in extreme and low-oxygen habitats.