"We need to close the tap, which means preventing more plastic from reaching the ocean in the first place, " he said, calling rivers "the arteries(动脉)that carry the trash from land to sea." Experts say 9 million tons of plastic waste, including plastic bottles, bags, and toys, flows...
是什么导致了心脏病发作呢 Like all muscles, the heart needs oxygen, 像所有的肌肉一样, 心脏也需要氧气 and during a heart attack, it can't get enough. 但在心脏病发作的时候,它就会缺氧 Fatty deposits, or plaques, 脂肪堆积,或者斑块 develop on the walls of our coronary arteries. 会出现在我们...
Function & transport:Arteries are blood vessels that carry oxygenated blood from the heart to all the organs. This blood is usually pumped at a high speed from the heart into the arteries. Elastic and muscular arteries are the two distinct types of arteries. Elastic or conducting arteries are ...
Blood vessels are part of the circulatory system and are responsible for moving blood all over the body. There are three main types of blood vessels, arteries, veins and capillaries.Answer and Explanation: The coronary artery is a blood vessel that delivers oxygenated blood to the heart. The ...
Branches ofthe aortacarry oxygenated blood to all parts of the body. The brachial arteries perform this function for the upper limbs. Brachial artery anatomy makes it very useful for various medical procedures. Your doctor uses it most commonly to measure your blood pressure. They fasten a cuff...
Raynaud disease is a disorder that affects blood circulation, usually in the hands and feet. The arteries (blood vessels) that carry blood to your fingers, toes, ears, or nose tighten. This is often triggered by cold or emotional stress. The decrease in blood flow causes a lack of oxygen...
What is the difference between arteries, veins, and capillaries? What is bone marrow edema? What type of capillaries make up the glomerulus? Where do veins carry blood? What causes bone marrow edema? What are the pulmonary veins? What is the intercellular material of vascular connective tissue?
It is should be recognized that medications treat the symptoms but do not "cure" vertigo. For individuals with Ménière's disease, a consistentlow-salt (low-sodium)dietis often recommended. This helps to decrease some of the fluctuations of fluid within the vestibular system, diminishing some ...
Veins carry deoxygenated blood towards your heart and are often located close to your skin. Veins don’t have a muscular layer like arteries do, so they rely on valves to keep your blood moving. Veins start as tiny blood vessels called venules, which become full-size veins as they come ...
Why don't arteries need valves like veins do? Arteries carry blood under high pressure from the heart, which keeps blood moving forward, making valves unnecessary. 10 Why are veins under lower pressure than arteries? Veins are farther from the heart and collect blood from capillaries, hence the...