TAILIEUCHUNG - English Skills - Through Pictures (Phần 2) part 17

Tham khảo tài liệu 'english skills - through pictures (phần 2) part 17', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Here are some cells thousands of times the size they are Each different sort of cell has its own work to do different from the work other sorts of cells do. No one had seen cells before the invention of the microscope and its development in the sixteenth and seventeenth centuries. Before then no one could make pictures of cells because no one could see them. own a cell s own work is its work not that of any other sort of coll. Your own hat is yours not any other person s hat. development change by which something living thing. Idea invention becomes better or more able Io do things. All the animals and plants we see about US hove developed from earlier living things which were at first mode up of only one celL win develop develop s developed 357 Cells are like little flames. A flame needs food. We get a quick flame for a fire or a cigarette by lighting a match or using a lighter. The flame of the match burns the match and the flame of the lighter bums the liquid in the lighter if there is air for them to bum in. cigarette thin roll of cut tobacco in I I B paper for smoking. burned burnt cigarette lighten box with liquid which will bum in it. tobacco dried leaves of the tobacco plant. born be changed by fire. match small stick of wood or paper which gives flame. fuel material for fire. Fuel moy be solid liquid or gas. will burn burn s 358 The blood is like a stream. The cells take what they need their fuel out of the blood stream as plants and fishes take theừ food out of water. The blood stream carries food and the oxygen which it has taken up in our lungs to all the cells In the body. Old cells die and give place to new cells in the body as plants and fish and other living things in the world about us die and give place to others. Three million ot your red blood cells die every second and other cells take their place. The red cell population of your body changes completely in about three months. Mraanu river. i oxygon one of the gate In air. Our lungs take It out

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• Tài liệu anh văn
• English Skills
• Through Picture
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