The Dark is Rising Sequence is a five-book fantasy fiction series depicting the battle of good and evil between forces known as The Light and The Dark. The stories take place in Britain and have an origin in the mythology of King Arthur, but also incorporates elements of English, Welsh and Cornish mythology.
Plasma carries oxygen to and from cells. Plasma is 90% water. Oxygen and carbon dioxide attaches to the hemoglobin in red blood cells. Plasma carries oxygen to and from cells. Plasma is 90% water. Oxygen and carbon dioxide attaches to the hemoglobin in red blood cells.
Red Blood Cells. Red blood cells, also called erythrocytes, are the most abundant cell type in the blood. Other major blood components include plasma, white blood cells, and platelets. The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs. A red blood cell has what is known as a biconcave shape. Both sides of the cell's surface curve inward like the interior of a sphere.