Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.10.12 The Role of Hormones The Role of Hormones: Basic A?hormone?is a chemical substance produced by a?gland?and?carried by the blood, which ...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.10.11 The Endocrine System The Endocrine System Information is sent through the endocrine (hormonal) system as?chemical substances?known as?h...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.10.10 Temperature Regulation The Role of Skin in Temperature Regulation The skin is our?largest sense organ It contains many different?recept...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.10.9 The Human Eye The Human Eye: Structure The eye is a highly specialised?sense organ?containing receptor cells that allow us to detect the...
Edexcel IGCSE Biology: Double Science 復(fù)習(xí)筆記 2.10.8 Simple Reflex Arc Simple Reflex Arc A?reflex response?(also known as an?involuntary response) does not involve the?conscious part of the...
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 ...
