[答案]A [解析]细节理解题。根据第二段中的”AirWave is able to scan more than a million micro-feature points in the palm(手掌) of the hand within 0.3 seconds, making it virtually impossible to cheat"可知,基于静脉的识别系统使得欺骗几乎不可能发生。选项中的"impossible""cheating"为词汇复现。反...
Capillaries are an important part of thecirculatory system because nutrient and wastemolecules are exchanged only across their thin walls.Veins and smaller vessels called venules carry bloodfrom the capillaries and then join together to from avein. the wall of a vein is much thinner them that of...
Circulatory: The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide and hormones around the body. It consists of the heart, blood, blood vessels, arteries and veins. According to the Cleveland Clinic, the adult human body's network of blood vessels is more tha...
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What are the afferent vessels that carry blood back toward the heart? a. arteries b. arterioles c. capillaries d. veins Cardiovascular System: The main function of the cardiovascular system is to transport and deliver oxygen, carbon dioxide, hormone...
Veins, in their capacity to return blood to the heart, are equipped with a series of one-way valves that ensure blood flows in the correct direction, countering the force of gravity, especially in the legs. 13 While all vessels are essential components of the circulatory system, veins have ...
Valves in the circulatory system are tissues that prevent blood back flow. There are valves in the heart and in the veins. In the heart, valves... Learn more about this topic: Aortic Semilunar Valve | Location, Structure & Function
The main roles of the blood circulatory system (cardiovascular system) are to deliver nutrients and oxygen to the cells in the body and to have the waste products removed. The heart and the blood vessels (arteries, veins, and capillaries) of the circulat
The lymphatic system and the circulatory system are connected in several ways: they both transport fluids and blood from the...
aImmune system, Lymphatic system, Chronic suppuration, Anti-stress therapy, Tension in the spinal column, Ringworm, Ulcers, Varicose veins, Stretch marks (following pregnancy or obesity), Shingles, Etc 免疫系统,淋巴系统,慢性化脓,在脊柱反注重疗法、紧张,癣、溃疡、静脉曲张、伸展线 (以下所说怀孕或肥胖...