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Red blood cells (RBCs), referred to as erythrocytes (from Ancient Greek erythros ' red ' and kytos ' hollow vessel ', with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O 2) to the body tissues ...
Globulins make up 38% of blood proteins and transport ions, hormones, and lipids assisting in immune function. Fibrinogen comprises 7% of blood proteins; conversion of fibrinogen to insoluble fibrin is essential for blood clotting. The remainder of the plasma proteins (1%) are regulatory proteins, such as enzymes, proenzymes, and hormones.
4.7 to 6.1 million (male), 4.2 to 5.4 million (female) erythrocytes: [13] Red blood cells contain the blood's hemoglobin and distribute oxygen. Mature red blood cells lack a nucleus and organelles in mammals. The red blood cells (together with endothelial vessel cells and other cells) are also marked by glycoproteins that define the different ...
Vitamin B12, also known as cobalamin, is a water-soluble vitamin that is essential for developing and maintaining a healthy central nervous system, red blood cells and nucleic acids, such as DNA ...
Many foods are naturally rich in B vitamins, and some food products are are fortified or enriched with these nutrients. Food sources of B vitamins include: Meat: beef, poultry, fish, shellfish
Hemoglobin is an iron-containing protein that gives red blood cells their color and facilitates transportation of oxygen from the lungs to tissues and carbon dioxide from tissues to the lungs to be exhaled. [3] Red blood cells are the most abundant cell in the blood, accounting for about 40–45% of its volume.
A 1-cup serving of fortified plant-based milk typically contains between 100 and 144 IU of vitamin D. Many fortified plant-based milks are also enriched with calcium and vitamin B12. Use plant ...
B vitamins are present in protein-rich foods, such as fish, poultry, meat, dairy products, and eggs; they are also found in leafy green vegetables, beans, and peas. [1] Fortified foods, such as breakfast cereals, baked products, and infant formulas, may contain B vitamins. [1]