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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—via ...
A blood cell (also called a hematopoietic cell, hemocyte, or hematocyte) is a cell produced through hematopoiesis and found mainly in the blood. Major types of blood cells include red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes). Together, these three kinds of blood cells add up to a total 45% of the ...
The formed elements are the two types of blood cell or corpuscle – the red blood cells, (erythrocytes) and white blood cells (leukocytes), and the cell fragments called platelets [12] that are involved in clotting. By volume, the red blood cells constitute about 45% of whole blood, the plasma about 54.3%, and white cells about 0.7%.
Needed for nerve cells, red blood cells, and to make DNA 6-14 × 10 −10: 1-10 × 10 −10: Cocarboxylase: 7-9 × 10 −8: Complement system: C1q 5.8-7.2 × 10 −5: C1r 2.5-3.8 × 10 −5: C1s (C1 esterase) 2.5-3.8 × 10 −5: C2 2.2-3.4 × 10 −5: C3( b1C-globulin) 8-15.5 × 10 −4: factor B (C3 proactivator) 2-4.5 × 10 −4: C4 (b1E ...
The circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate. [1][2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and from Latin vascula ...
Blood vessel. Blood vessels are the tubular structures of a circulatory system that transport blood throughout a vertebrate 's body. [1] Blood vessels transport blood cells, nutrients, and oxygen to most of the tissues of a body. They also take waste and carbon dioxide away from the tissues. [2]
With a diameter of 15–22 μm, monocytes are the largest cell type in peripheral blood. [2][3] Monocytes are mononuclear cells and the ellipsoidal nucleus is often lobulated/indented, causing a bean-shaped or kidney-shaped appearance. [4] Monocytes compose 2% to 10% of all leukocytes in the human body.
The human body is composed of elements including hydrogen, oxygen, carbon, calcium and phosphorus. These elements reside in trillions of cells and non-cellular components of the body. The adult male body is about 60% total body water content of some 42 litres (9.2 imp gal; 11 US gal).