Edexcel IGCSE Biology: Double Science 复习笔记 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 复习笔记 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 复习笔记 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 复习笔记 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 复习笔记 2.8.7 Blood Vessels & the Circulatory System Blood Vessels There are three main types of blood vessel: Arteries Veins Capillaries Sm...
为了向大学招生官展示你的学术能力，在高中期间选修AP课程很重要。随着2023年AP考试时间的公布，各个考区的报名也在火热进行中。 但是AP提供多达38门课程，给了大家极大选课自由的同时，也着实让不少同学和家长犯...
Hyperbolic Identities & Equations Are there identities linking the hyperbolic functions to the circular trig functions? Yes - these can be seen using de Moivre's Theorem to write Compare these ...
Logarithmic Forms of Inverse Hyperbolic Functions What are the definitions of the inverse hyperbolic functions? Since coshx is a many-to-one function, its domain is restricted to x ≥ 0 when finding...
Hyperbolic Functions & Graphs What are the definitions of the hyperbolic functions? Hyperbolic sine This can be pronounced "shine" or "sinch" Hyperbolic cosine This can be pronounced "cosh" Hyp...
