Edexcel IGCSE Maths 復習筆記 3.11.1 Differentiation - Basics What is differentiation? Differentiation is part of the branch of mathematics called Calculus It is concerned with the?rate?at which cha...
根據經濟導師分享的【A-Level ?Economics 經濟新考綱解讀】（戳藍字查看詳情），同學們應該了解到2023年經濟學整體最大的變化是：加大了Essay部分的考察，對于不擅長經濟學寫作的同學，難度呈現明顯向上增加的趨...
Edexcel IGCSE Maths 復習筆記 3.10.1 Solving Equations using Graphs How do we use graphs to solve equations? Solutions are always read off the?x-axis Solutions of?f(x) = 0?are where the graph of?y =...
The Cardiac Cycle The contraction of the heart is called?systole, while the relaxation of the heart is called?diastole Atrial systole is the period when the atria are contracting and ventric...
The Walls of the Heart The muscular walls of the atria are thinner than those of the ventricles When the atria contract, the thin muscular walls do not generate much pressure, but enough to ...
Mammalian Heart Structure Heart structure The human heart has a mass of around 300g and is roughly the size of a closed fist The heart is a hollow, muscular organ located in the chest cavity...
Animal Adaptations For Their Environment Different types of haemoglobin Haemoglobin is a quaternary protein?made up of four globin polypeptides and four haem groups The structure of haem is ...
Maths Skill: Using the Cardiac Output Equation Cardiac output?(CO) is the term used to describe the volume of blood that is pumped by the heart (the left and right ventricle) per unit of tim...
The Bohr Shift Changes in the oxygen dissociation curve?as a result of carbon dioxide levels?are known as the?Bohr effect, or?Bohr shift When the?partial pressure?of carbon dioxide in the bl...
