The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract GI tract. The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestineââ¬âwhich includes the rectumââ¬âand anus. Food enters the mouth and passes to the anus through the hollow organs of the GI tract. The liver, pancreas, and gallbladder are the solid organs of the digestive system.
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授權類型 | 尺寸 | 像素 | 格式 | 點數 | |
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標準授權 | XS | 480 x 273 | JPG | 13 | |
標準授權 | S | 800 x 455 | JPG | 15 | |
標準授權 | M | 2296 x 1306 | JPG | 18 | |
標準授權 | L | 2964 x 1686 | JPG | 20 | |
標準授權 | XL | 3750 x 2133 | JPG | 22 | |
標準授權 | MAX | 7200 x 4096 | JPG | 23 | |
標準授權 | TIFF | 10182 x 5793 | TIF | 39 | |
進階授權 | WEL | 7200 x 4096 | JPG | 88 | |
進階授權 | UEL | 7200 x 4096 | JPG | 88 |
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標準授權 | 480 x 273 px | JPG | 13 點 |
標準授權 | 800 x 455 px | JPG | 15 點 |
標準授權 | 2296 x 1306 px | JPG | 18 點 |
標準授權 | 2964 x 1686 px | JPG | 20 點 |
標準授權 | 3750 x 2133 px | JPG | 22 點 |
標準授權 | 7200 x 4096 px | JPG | 23 點 |
標準授權 | 10182 x 5793 px | TIF | 39 點 |
進階授權 | 7200 x 4096 px | JPG | 88 點 |
進階授權 | 7200 x 4096 px | JPG | 88 點 |