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
9.What is the function of the circulatory system? (1) (1)It carries digested food, water and oxygen to all parts of the body.(2)It supports the body and protects the organs.(3)It breaks down food into simpler substances and absorbs them.(4) It helps the body to exchange gases with...
The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to the cells in the body and removes waste products. 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 produc...
The nervous system relies on the circulatory system for some of its messages. What Are Nerves? Neurons are the main component of the nervous system. They send, receive, and interpret messages from the body and brain. The human body has billions of neurons made of the cell body, ...
The importance of the circulatory system is that it keeps many of the bodily functions essential for life going, including...
Providing the body with immune defense is also a function of the circulatory system. The immune system is a division of the lymphatic system as a whole. Lymphocytes are immune cells that attack organisms like fungi and bacteria. Lymphoid organs, such as the spleen, also assist in the immune ...
Another function of the circulatory system is completed by systemic circulation, which takes blood rich in oxygen from the heart throughout the body, and takes blood low in oxygen back to the heart. This process involves the ventricles, arteries and capillaries. ...
Name and describe the two major circulatory routes of the human body. 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?
What is the basic blood flow through the kidneys of a human? The Circulatory System The circulatory system is how the body moves blood around the body. Blood plays the important role of taking oxygen to the tissues, and removing carbon dioxide. This action helps to fuel cells as well as...
A more unfortunate role the lymphatic system and circulatory system might work together on is the spread of cancer. Since lymphatic vessels and lymph are so prevalent in all areas of the body, this fluid will often carry cancer cells into the blood, which transports them into new bodily region...