Edexcel IGCSE Biology: Double Science 復習筆記 2.10.5 Co-ordination Systems in Humans The Human Nervous System & Endocrine System There are?two different control systems?in humans that w...
Differentiating Hyperbolic Functions What are the?derivatives of the hyperbolic functions? These are given in the?formulae?booklet You can prove them by differentiating the definitions involving e ...
Edexcel IGCSE Biology: Double Science 復習筆記 2.10.4 The Role of Auxin in Phototropism The Role of Auxin in Phototropism Plants produce?plant growth regulators?(similar to hormones in anima...
Edexcel IGCSE Biology: Double Science 復習筆記 2.10.3 Response to Stimuli: Plants Response to Stimuli: Plants Plants need to be able to grow in response to certain?stimuli For example, plant...
Edexcel IGCSE Biology: Double Science 復習筆記 2.10.2 Control of Homeostasis Co-ordinating a Response Homeostasis?(maintaining controlled conditions within the body) is under?involuntary (au...
Edexcel IGCSE Biology: Double Science 復習筆記 2.10.1 Homeostasis Response to Change: Homeostasis Homeostasis is the?control?or?regulation?of the?internal?conditions?of a cell or organism So...
Edexcel IGCSE Biology: Double Science 復習筆記 2.9.2 Excretion in Humans The Organs of Excretion Humans have organs that are specialised for the removal of certain excretory products Excreto...
Edexcel IGCSE Biology: Double Science 復習筆記 2.9.1 Excretion The Need for Excretion in Humans Many of the necessary?metabolic reactions?that take place within the cells of organisms produc...
Edexcel IGCSE Biology: Double Science 復習筆記 2.8.7 Blood Vessels & the Circulatory System Blood Vessels There are three main types of blood vessel: Arteries Veins Capillaries Sm...
