The kidneys are bean-shaped organs that serve several essential regulatory roles in vertebrates. They remove excess organic molecules from the blood, and it is by this action that their best-known function is performed: the removal of waste products of metabolism. Kidneys are essential to the urinary system and also serve homeostatic functions such as the regulation of electrolytes,
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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 146 | JPG | 13 | |
標準授權 | S | 800 x 243 | JPG | 15 | |
標準授權 | M | 3144 x 954 | JPG | 18 | |
標準授權 | L | 4096 x 1243 | JPG | 20 | |
標準授權 | XL | 5134 x 1558 | JPG | 22 | |
標準授權 | MAX | 6288 x 1908 | JPG | 23 | |
標準授權 | TIFF | 5793 x 1758 | TIF | 39 | |
進階授權 | WEL | 6288 x 1908 | JPG | 88 | |
進階授權 | UEL | 6288 x 1908 | JPG | 88 |
XS
S
M
L
XL
MAX
TIFF
WEL
UEL
標準授權 | 480 x 146 px | JPG | 13 點 |
標準授權 | 800 x 243 px | JPG | 15 點 |
標準授權 | 3144 x 954 px | JPG | 18 點 |
標準授權 | 4096 x 1243 px | JPG | 20 點 |
標準授權 | 5134 x 1558 px | JPG | 22 點 |
標準授權 | 6288 x 1908 px | JPG | 23 點 |
標準授權 | 5793 x 1758 px | TIF | 39 點 |
進階授權 | 6288 x 1908 px | JPG | 88 點 |
進階授權 | 6288 x 1908 px | JPG | 88 點 |