百度试题 结果1 题目What color are white blood cells? A. White B. Red C. Yellow D. Colorless 相关知识点: 试题来源: 解析 D. Colorless 反馈 收藏
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. This is ...
Is human blood all the same? "Yes." You may say. "It's all red." Well it's not as simple as you might think. Blood is made up of different parts such as red blood cells (红血球) white blood cells and platelets (血小板). Two chemical molecules (分子) on the red blood ...
What Determines the Color of Blood? The color of blood is mostly determined by a protein found in blood called hemoglobin. Hemoglobin is the protein responsible for distributing oxygen to the blood to be carried around the body. Answer and Explanation: ...
Brownish instead of bright red Spotty, or you may not bleed at all Not bleeding or only spotting can be more common if you’re using a method with a higher dose of estrogen (ethinylestradiol) or with a shorter (4 or fewer days) hormone-free interval. A shorter hormone-free interval ...
A. The rose is very red. B. The rose is very big. C. The rose is very small. D. The rose is very E. xpensive. 相关知识点: 试题来源: 解析 A。“red as blood”是“像血一样红”,形容玫瑰非常红。B 选项“big”是“大的”;C 选项“small”是“小的”;D 选项“expensive”是“...
What is blood? It is the red liquid which comes out of your finger when you cut it. There are bout thirteen pints(品脱) of blood in a man' s body. He can give a pint of blood at a time to blood bank for the use of other men who may need it. A healthy body makes up one...
1.What is the colour of blood in a vein near the surface of the skin? A.Blue. B.Light yellow. C.Red. D.Dark reddish purple. 2.Why do some old people look a little shrunken as they age? A.Because their spine is in active use. B.Because they are more easily affected by gravity...
Below, we share more information about how and why blood shows up in urine, and what you should do about it. Are you really peeing blood? Here’s what blood in urine looks like Normal pee coloris pale to medium yellow and clear. If you have urine that’s pinkish, red or rusty brown...
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...