Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.10.7 Synapses The Role of Neurotransmitters Neurones do not actually come into?direct contact?with each other Where the?dendrites?of two neur...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.10.6 The Human Nervous System The Human Nervous System: Structure The human nervous system consists of: Central nervous system?(CNS) – the?br...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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(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 So...
Edexcel IGCSE Biology: Double Science 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 Excreto...
