【解析】本句意思为“献血后需要喝点什么或吃点什么吗”,根据所给提示,第一段第二句话和第二段第一句Blood is a thick, red fluid which carries oxygen(氧气), water and food to all parts of the body. It keeps the body at the right temperature and protects it from disease.If you lose a ...
What is blood? Blood is a thick, red fluid which carries oxygen, water and food to all parts of the body. It keeps the body at the right temperature (温度) and protects it from disease. If you lose a lot of blood, you need new blood. You can receive new blood from other people...
Blood is a combination of plasma (watery liquid) and cells that float in it. It is a specialized bodily fluid that supplies essential substances and nutrients, such as sugar, oxygen, and hormones to our cells, and carries waste away from those cells, this waste is eventually flus...
What is blood? Blood is a thick, red fluid which carries oxygen, water and food to all parts of the body. It keeps the body at the right temperature (温度) andprotects it from disease. If you lose a lot of blood, you need new blood. You can receive new bloodfrom other people. Th...
The color of blood: red, blue, or what? Spoiler alert: blood is red, and definitely not blue. Whether flowing out of a wound or sitting in a test tube, when you see blood, you’re seeing red. Though depending on how much oxygen it has absorbed, it may be a brighter or darker...
What do blood cells carry? A. water B. oxygen and nutrients C. food 相关知识点: 试题来源: 解析 B。中文解析:文章中提到“Blood cells carry oxygen and nutrients to different parts of our body”,所以血细胞携带氧气和营养物质,答案是 B。
Oxygen-Rich Blood: Oxygen-rich blood is the supply of blood in the body that has been oxygenated in the lungs. Through gas exchange in the alveoli of the lungs, oxygen molecules come in contact with the red blood cells and bond to the hemoglobin on those cells. ...
The blood is like a stream.The cells take what they need out of the blood stream, as plants and fishes take their food out of water.The blood stream carries food and the oxygen which has taken up in our lungs to all the cells in the body. ...
The heart keeps a stream of blood going all around the body and back again to itself. Everywhere the blood stream does two things : supplies the cells with food and oxygen and takes away waste. It is as if the blood kept the little fires in the cells burning and took away the ashes....
The veins (which carry de-oxygenated blood) appear blue due to an optical effect caused by the way light penetrates the skin. Blood is red because it carries the protein hemoglobin which contains iron. Iron combines with oxygen and appears red. Since gemoglobin does not completely deoxygenate,...