百度试题 题目The aortic valve keeps the blood moving from veins to the heart.相关知识点: 试题来源: 解析 错 反馈 收藏
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,他们找到了金...
especially:any of the tubular branching vessels that carry blood from the capillaries toward the heart 2 a :any of the vascular bundles forming the framework of a leaf b :any of the thickened cuticular ribs that serve to stiffen the wings of an insect ...
The jugular veins: Gateway to the heartHealth services administrationCardiovascular diseasesEducationdoi:10.5694/mja16.01232Elder, AndrewNair, Balakrishnan (Kichu) RAustralasian Medical Publishing CompanyThe Medical journal of Australia
Switch tonew thesaurus Noun1.common iliac vein- formed by the internal and external iliac veins; unites with its fellow from the opposite side of the body to form the inferior vena cava iliac vein,vena iliaca- one of three veins draining the pelvic area ...
1.Any of the blood vessels that carry blood toward the heart. Veins are thin-walled and contain valves that prevent the backflow of blood. All veins except the pulmonary vein (which returns to the heart from the lungs) carry blood having low levels of oxygen. ...
The pulmonary veins lead the now oxygen-rich blood back to the left side of the heart, where the process continues.1 How Arteries Differ From Veins Arteries and veins are both types of blood vessels. Angela Ryan Lee, Verywell Health, 1 Aug. 2024 The notable exception is the pulmonary vein...
点评:固定词组,be believed to意思“被认为”,句子 The heart is believed to pump blood into veins(血管) which are netted all over the body, thus keeping a person alive.是个关系代词which引导的定语从句,先行词是veins,从句是which are netted all over the body。
Venous insufficiency is a condition in which the veins are unable to pump blood back to the heart effectively. It can cause symptoms such as swelling, fatigue, and pain in the legs. “Vein diseases often result from the failure of tiny vein valves in the legs to function normally, causing...
Keep them above the level of your heart as often as you can. Prop your legs on pillows or blankets to keep them elevated comfortably. This will help blood flow back to your heart and decrease pain and swelling. Get regular exercise. Talk to your provider about the best exercise plan fo...