CIE IGCSE Biology: 复习笔记：15.1.1 Drugs for Medicine
CIE IGCSE Biology: 复习笔记：15.1.1 Drugs for Medicine What is a Drug? A drug is any substance taken into the body that modifies or affects chemical reactions in the body Some drugs are medicinal d...
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CIE IGCSE Biology: 复习笔记：14.1.11 Tropisms
CIE IGCSE Biology: 复习笔记：14.1.11 Tropisms Gravitropism & Phototropism Tropisms Plants can respond to changes in environment (stimuli) for survival, e.g. light, water, gravity Their response...
CIE IGCSE Biology: 复习笔记：14.1.10 Homeostasis: Temperature Control
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
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
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
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
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：14.1.5 Sense Organs
CIE IGCSE Biology: 复习笔记：14.1.5 Sense Organs Sense Organs as Receptors Receptors are groups of specialised cells They detect a change in the environment and stimulate electrical impulses...
CIE IGCSE Biology: 复习笔记：14.1.4 The Synapse
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...
