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Venous blood is typically colder than arterial blood, [1] and has a lower oxygen content and pH. It also has lower concentrations of glucose and other nutrients and has higher concentrations of urea and other waste products. The difference in the oxygen content of arterial blood and venous blood is known as the arteriovenous oxygen difference.
In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and Latin vascula meaning vessels).
Blood is composed of blood cells suspended in blood plasma. Plasma, which constitutes 55% of blood fluid, is mostly water (92% by volume), [2] and contains proteins, glucose, mineral ions, and hormones. The blood cells are mainly red blood cells (erythrocytes), white blood cells (leukocytes), and (in mammals) platelets (thrombocytes). [3]
Cardiologists share the truth about when blood vessel plaque buildup becomes dangerous.
Blue Blood or blue blood may refer to: Hemolymph, circulatory fluid colored blue by hemocyanin, a respiratory protein evident in most molluscs and some arthropods;
Doctor holding tube of specific blood type. The average adult has between 1.2 and 1.5 gallons of blood in their body, accounting for roughly 10% of their weight. Despite it being such a large, and ...
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.
The world's most favorite color is blue. According to a YouGov poll, pretty much every country on the planet lists it as such. Plus, it's delighted and intrigued scientists and artists (see ...