题目 7.What is the function of the blood vessels in a human body? (3)(1) Pump blood to the heart.(2) Remove impurities from the heart.(3) Carry blood to all parts of the body.(4) Send messages from the brain to the muscles 相关知识点: 试题来源: 解析 (3) 反馈 收藏...
What carries blood away from the heart? (A) Arteries (B) Veins (C) Both A & B (D) None The Heart The heart consists of many layers including a muscular layer that allows the heart to contract. These contractions enable blood to move throughout the circulatory system....
The heart is a pump that provides the force needed to move blood around your entire body and return it back to the heart. Blood moves around your body through a series of blood vessels, called arteries, veins and capillaries.
which pump blood to the lungs and body. The twoventricles are thick-walled chambers that forcefully pump blood out of the heart to either the lungs or the body.. Differences in thickness of the heart chamber walls are due to variations in the amount of myocardium present, which reflects the...
The heart is pump (泵) . It pumps blood and sends it round the body. The heart (15) four rooms with doors between them. It pumps blood in and out (16) these doors by changing the size of the rooms so that the doors (17) and shut. The heart keeps as tream(一般)of blood (18...
How does blood flow through the human heart? What blood vessel does the right ventricle pump blood through? Which blood vessel carries blood from the rest of the body to the heart? What side of the heart circulates oxygenated blood?
Blood pooling occurs when the blood is unable to pump back up to your heart, and pools (or collects) in your legs, ankles, and/or feet. Blood pooling in feet
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