CIE IGCSE Biology: 复习笔记：14.1.10 Homeostasis: Temperature Control The Skin & Homeostasis: Extended Control of body temperature is a homeostatic mechanism Homeostasis is the maintenance of a...
CIE IGCSE Biology: 复习笔记：14.1.9 Homeostasis The Concept of Negative Feedback: Extended Negative feedback occurs when conditions change from the ideal or set point and returns cond...
CIE IGCSE Biology: 复习笔记：14.1.8 Homeostasis: Definition Homeostasis: Definition Homeostasis is defined as the maintenance of a constant internal environment Role of Insulin...
CIE IGCSE Biology: 复习笔记：14.1.7 Hormones in Humans Hormones & Their Associated Glands What is a Hormone? A hormone is a chemical substance produced by a gland and carried by the bloo...
CIE IGCSE Biology: 复习笔记：14.1.6 The Eye Structure & Function of the Eye The eye is a sense organ containing receptor cells that are sensitive to light (rod cells) and colour (...
CIE IGCSE Biology: 复习笔记：14.1.4 The Synapse Structure of a Synapse: Extended The junction between two neurones is known as a synapse A synapse Synapses & Neurotr...
CIE IGCSE Biology: 复习笔记：14.1.3 The Reflex Arc The Reflex Arc Voluntary Responses A voluntary response is one where you make a conscious decision to carry out a particular action therefo...
CIE IGCSE Biology: 复习笔记：14.1.2 Types of Neurones Neurone Diagrams There are three main types of neurone: sensory, relay and motor Sensory neurones carry impulses from sense organs to th...
CIE IGCSE Biology: 复习笔记：14.1.1 Mammalian Nervous System Structure & Role of the Mammalian Nervous System The human nervous system consists of the: central nervous system (CNS...
