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The Effects of Pollution & Smoking on the Incidence of Lung Disease Exposure to pollution and smoking are well-known risk factors in relation to lung disease Environmental pollution sour...
AQA A Level Biology复习笔记3.2.8 The Effects of Lung Disease
The Effects of Lung Disease There are several disorders or diseases that can prevent lungs from functioning properly They can affect the structure of the alveolar walls (gas exchange surface...
AQA A Level Biology复习笔记3.2.7 PVR
Maths Skill: PVR The volume of air within the lungs of an individual will change depending on their level of activity When at rest, breathing is shallow and steady When exercising, breathing...
AQA A Level Biology复习笔记3.2.6 Ventilation & Gas Exchange
Ventilation & Gas Exchange Gas exchange in the lungs requires a concentration gradient Ventilation (mass flow of gases) in the lungs and the continuous flow of blood in the capillaries h...
Edexcel IGCSE Maths 复习笔记 3.9.1 Finding Gradients of Non-Linear Graphs
Edexcel IGCSE Maths 复习笔记 3.9.1 F What is a non-linear graph? A linear graph is a straight-line graph These are easily identified as their equations can always be written in the form y = m...
盘点北京地区有奖学金的国际学校！
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Edexcel IGCSE Maths 复习笔记 3.8.1 Transformations of Graphs
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Edexcel IGCSE Maths 复习笔记 3.7.1 Perpendicular Lines
Edexcel IGCSE Maths 复习笔记 3.7.1 Perpendicular Lines What are perpendicular lines? You should already know that PARALLEL lines have equal gradients PERPENDICULAR LINES do meet each other and wher...
Edexcel IGCSE Maths 复习笔记 3.6.2 Straight Lines - Drawing Graphs
Edexcel IGCSE Maths 复习笔记 3.6.2 Straight Lines - Drawing Graphs How do we draw the graph of a straight line from an equation? Before you start trying to draw a straight line, make sure you under...
Edexcel IGCSE Maths 复习笔记 3.6.1 Straight Lines - Finding Equations
Edexcel IGCSE Maths 复习笔记 3.6.1 Straight Lines - Finding Equations Why do we want to know about straight lines and their equations? Straight Line Graphs (Linear Graphs) have lots of uses in math...
