MIT官方推薦!2022NACLO北美計算語言學(xué)報名即將開啟!
NACLO 北美計算語言學(xué)公開賽(North American Computational Linguistics Open Competition)是IOL國際語言學(xué)奧林匹克學(xué)術(shù)活動在北美賽區(qū)的選拔賽。IOL是13項國際科學(xué)類奧林匹克學(xué)術(shù)活動之一,參賽者憑借聯(lián)想思維...
NACLO 北美計算語言學(xué)公開賽(North American Computational Linguistics Open Competition)是IOL國際語言學(xué)奧林匹克學(xué)術(shù)活動在北美賽區(qū)的選拔賽。IOL是13項國際科學(xué)類奧林匹克學(xué)術(shù)活動之一,參賽者憑借聯(lián)想思維...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.10.1 Homeostasis Response to Change: Homeostasis Homeostasis is the?control?or?regulation?of the?internal?conditions?of a cell or organism Some examples of t...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.9.5 Regulating Water Content in the Blood Regulating Water Content in the Blood Osmoregulation?is the process of maintaining water and salt concentrations (o...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.9.4 Kidney Structure & Function The Kidney The kidneys are located in the back of the abdomen and have two important functions in the body: They regulate...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.9.3 The Urinary System The Urinary System: Structure Two key functions of the?urinary system?are: To?filter waste?products from the blood and expel it from t...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.9.2 Excretion in Humans The Organs of Excretion Humans have organs that are specialised for the removal of certain excretory products Excretory organs?of the...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.9.1 Excretion The Need for Excretion in Humans Many of the necessary?metabolic reactions?that take place within the cells of organisms produce?waste products...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.8.11 Blood Vessels & the Circulatory System Blood Vessels There are three main types of blood vessel: Arteries Veins Capillaries Smaller vessels t...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.8.10 The Heart Structure & Function of the Heart The heart organ is a?double pump Oxygenated blood?from the lungs enters the?left?side of the heart and i...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.8.8 Human Transport Systems: White Blood Cells & Immunity White Blood Cells White blood cells are part of the body’s immune system These specialised cells defen...
Uses of Genetic Fingerprinting Polymerase chain reaction?(PCR) is a common molecular biology technique used in most applications of gene technology, for example,?DNA profiling?(eg. identific...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 2.8.7 Human Transport Systems: Platelets Platelets Platelets?are involved in?helping the blood clot Platelets are?fragments of cells that are involved in blood...
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