Blood: Blood is a vital fluid in the body. It consists of water, blood cells, nutrients, body chemicals, oxygen and carbon dioxide. Blood is part of the cardiovascular system. Answer and Explanation:1 Veins carry blood to the heart. After blood has nourished all of the cells in the body...
Because veins lack the muscular layer that arteries have, what processes are used to move the blood through the veins and back to the heart? Which one of the following does not carry blood around the body? a. Arteries b. Veins c. Capillaries d. Platelets ...
(72 votes) Most veins contain valves (known as the valvula venosa in the TA) toprevent backflow, i.e. ensuring that blood flow is always towards the heart1. Do All veins have valves? Veins carry the blood back to the heart. They're similar to arteries but not as strong or as thick...
Veins are blood vessels that carry blood toward the heart. In the human body, veins serve several important functions: Return of blood to the heart. Veins transport deoxygenated blood from the tissues back to the heart, which can be oxygenated and re-circulated through the body. Regulation of ...
语法标注解释 vein英音：[vein]美音：[ven]名词 n. [C]1.静脉,血管 Just over each temple there were little blue veins.就在两鬓太阳穴上面显露着青色的细小静脉。2.【植】叶脉 3.【动】翅脉 4.【地】矿脉 After years of prospecting, they struck gold veins.经过多年勘探之后,他们找到了...
vein,blood vessel that returns blood to theheart. Except for the pulmonary vein, which carries oxygenated blood from the lungs to the heart, veins carry deoxygenated blood. The oxygen-depleted blood passes from thecapillariesto the venules (small veins). The venules feed into larger veins, whi...
vein, blood vessel that returns blood to the heart. Except for the pulmonary vein, which carries oxygenated blood from the lungs to the heart, veins carry deoxygenated blood. The oxygen-depleted blood passes from the capillaries to the venules (small veins). The venules feed into larger veins...
A. Veins. B. Capillaries. C. Arteries. D. Lymphatic vessels. 相关知识点: 试题来源: 解析 C。解析:“Arteries carry oxygen-rich blood away from the heart to different parts of the body.”,动脉将富含氧气的血液从心脏输送到身体的各个部位。反馈 收藏 ...
Arteries and veins (also called blood vessels) are tubes of muscle that your blood flows through. Arteries carry blood away from the heart to the rest of the body. Veins push blood back to your heart. You have a complex system of connecting veins and arteries throughout your body. ...
Healthy blood vessels Veins are the blood vessels that carry blood back to the heart. Caruso’s Veins Clear® maintains the health of blood vessels. It assists in the production of connective tissues and maintains the health of connective tissues such as collagen, which is an important compone...