Edexcel IGCSE Biology: Double Science 复习笔记 3.1.2 Sexual Reproduction in Flowering Plants Pollination Flowers are the reproductive organs of plants They usually contain both male and fema...
Edexcel IGCSE Biology: Double Science 复习笔记 3.1.1 Types of Reproduction Sexual Reproduction Sexual reproduction is: The process involving the fusion of the nuclei of two gametes to...
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...
