Due to the high blood pressure of arteries, if one these arteries are accidentally injured blood would spurt from it. So, natural selection would prefer the individuals having arteries deep into the body rather peripheral or superficial ones.
For the heart, there are the coronary arteries, pulmonary artery and the aorta. The coronary arteries are responsible for the myocardial muscle cells; they get nutrients, oxygen to keep the...
The main function of the valves in veins is to prevent back flow of blood. Blood in the arteries, after being pumped by the heart, are under much higher pressure...
Veins and arteries are just nomenclature:one carries oxygenated blood the other de-oxygenated to various end points of the body. You need a return path to the heart/lung system: this is...
Plaque, essentially just lipid deposits, develops in the coronary arteries of the heart leading to poor circulation. Because the heart itself needs oxygen in order to function properly, if the...
The Aorta is the main highway that receives blood from the heart. It splits into Arteries, these split into smaller arterioles, then even smaller capillaries . After the Erythrocytes...
All the artery carry blood away from heart while all veins carry blood towards heart. All the artery carry oxygenated blood except Pulmonary artery and All veins carry deoxygenated blood...
Veins are the only blood vessels that can be seen near the surface of the skin since arteries are generally present at deeper levels. The light incident upon skin tends...
But here are a few tips to make the learning a little easier. 1. Trace them out on your body Use $color(blue)("blue")$ and $color(red)("red")$ markers (with washable ink!) to trace...
Air embolism is a blockage caused by one or more bubbles of air or gas in the circulatory system. Small amounts of air often get into the blood circulation during...
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