Edexcel IGCSE Maths 复习笔记 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...
上海天华英澳美学校怎么样？该校在今年放榜季中佳绩连连，一跃成为新晋黑马学校！上海天华英澳美学校（原上海英澳新国际学校）即上海师范大学天华学院国际高中部。作为大学附属国际学校，凝炼“人工智能课程”“标准...
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...
在日益激烈的竞争之下，不仅申请者为梦校使出浑身解数，学校也为如何在众多优秀学子中筛选出最适合自己的录取者而头疼不已，作为英国大学领头羊，牛剑首先交出了答卷——入学评估。 大家都知道，牛剑和部分英国名校...
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...
The Oxygen Dissociation Curve The oxygen dissociation curve shows the rate at which oxygen associates, and also dissociates, with haemoglobin at different partial pressures of oxygen (pO2) P...
在经历了6个月的激烈角逐后， 第37届上海青少年科技创新大赛 在6月26日公布了专项奖获奖项目 同时，上海地区推送到 第36届全国青少年科技创新大赛的项目名单 也正式揭晓！ 全国青少年科技创新大赛，是“青少年世界...
The Role of Haemoglobin Transport of oxygen The majority of oxygen transported around the body is bound to the protein haemoglobin in red blood cells Red blood cells are also known as erythrocytes ...
