百度试题 结果1 题目What is the circulatory system ? A. The system that helps your body breathe B. Your body’s muscles C. Your body’s nerves D. Your body’s blood transporting system 相关知识点: 试题来源: 解析 D 反馈 收藏
What is the main function of the circulatory system? A. Digestion of food B. Transport of blood C. Respiration D. Thought process 相关知识点: 试题来源: 解析 B。解析:循环系统的主要功能是运输血液。消化系统负责消化食物;呼吸系统负责呼吸;神经系统负责思考等过程。
In general, what is the function of valves in the circulatory system? Where can they be found? What are the three different types of veins? What is the function of the valves within them? a. What is the function of the heart? b. How does it pump blood?
Given below the simplified pathway of the circulatory system of man: Name the blood vessels labelled 1. 3. 6. and 7. View Solution Given below the simplified pathway of the circulatory system of man: Draw a neat labelled diagram of the blood vessel numbered 2' as seen in a cross-sect...
The circulatory system is the organs, tissues and cells that help move blood around the body. Blood is important because it carries oxygen and nutrients to the body and removes metabolic waste. Answer and Explanation:1 The structures of the circulatory system include the heart, blood vessels, pl...
The importance of the circulatory system is that it keeps many of the bodily functions essential for life going, including...
circulatory system's veins work harder circulating waste-rich blood back to your heart during exercise; your heart contracts and pushes the blood into the pulmonary artery; and your lungs absorb carbon dioxide from the pulmonary artery and expel the toxic gas from your body each time you exhale...
The main parts of the circulatory system are the heart, lungs, blood vessels, blood, lymph vessels, lymph nodes, and lymph. Since...
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
Formed elements include platelets and cells such as red and white blood cells. The lymphatic vessels help maintain the balance of fluid in the body. They do this by collecting water that has escaped from the blood vessels, especially capillaries, and returning it to the cardiovascular system. ...