What is the function of arteries?Question:What is the function of arteries?Human Anatomy:The human body is composed of a number of different systems, tissues and structures. One of these systems is the circulatory system, which consists of the heart and a number of blood vessels.Answer...
百度试题 结果1 题目What is the smallest blood vessel? A. Arteries B. Capillaries C. Vein D. Arteriolae 相关知识点: 试题来源: 解析 B. Capillaries 反馈 收藏
百度试题 结果1 题目What is the myocardium? A. Heart valves B. Heart veins C. Heart arteries D. Heart muscle 相关知识点: 试题来源: 解析 D. Heart muscle 反馈 收藏
Hardening of the arteries, also known as atherosclerosis, is a condition that develops when fat and other matter called plaque develops along the walls of the arteries. As more plaque builds up and hardens in the arteries, the heart has to work much harder to deliver blood throughout the ...
What is the purpose of the coronary artery and what results if there is a blockage in this vessel?Arteries:Arteries are blood vessels that carry blood from the heart to other parts of the body. They are made up of three layers: the tunica externa, the tun...
(1)The passage implies (暗示) that ___. (2)We can conclude (得出结论) from the passage that ___. (3)Which of the following can be inferred (推论)? (4)What is the tone (语气) of the author? (5)What is the purpose (目的) of this passage? (6)The passage is intended to __...
The correct answer is B. The role of the coronary arteries is to deliver oxygenated blood to the walls of the ventricles. The heart is a vital organ that requires a continuous supply of oxygen and nutrients to function properly. The coronary arteries are the blood vessels that supply this es...
Women, who in the study tended to be older than men when they suffered heart attack, were also more likely to have concurrent complications (并发症) such as diabetes (糖尿病) or hypertension (高血压). And whereas men were more likely to have narrowed coronary arteries (冠状动脉), which ...
The pulmonary artery (PA) is a vital and specialized artery connected to the right ventricle of the heart. The name is actually a little deceiving because there are two pulmonary arteries. These arise from the pulmonary trunk (sometimes called the main artery) and are called right and left ...
What is the purpose of heart valves?Heart:The heart is the main organ of the circulatory system or cardiovascular system. The heart is a muscular organ that is present in most animals, pumps blood through the circulatory system. In mammals and birds, the heart has 4 chambers: ...