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Edexcel IGCSE Biology: Double Science 复习笔记 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 复习笔记 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 复习笔记 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 复习笔记 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 复习笔记 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 复习笔记 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 复习笔记 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 复习笔记 2.10.5 Co-ordination Systems in Humans The Human Nervous System & Endocrine System There are two different control systems in humans that w...
Edexcel IGCSE Biology: Double Science 复习笔记 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...
