CIE A Level Biology复习笔记8.2.3 Plasma & Carbon Dioxide
Plasma & Carbon Dioxide Waste carbon dioxide produced during respiration diffuses from the tissues into the blood This waste carbon dioxide is transported around the body in different ways In t...
CIE A Level Biology复习笔记8.2.2 The Chloride Shift
The Chloride Shift The chloride shift is the movement of chloride ions into red blood cells that occurs when hydrogen carbonate ions are formed Hydrogen carbobate ions are formed by the following p...
CIE A Level Biology复习笔记8.2.1 Red Blood Cells, Haemoglobin & Oxygen
Red Blood Cells, Haemoglobin & Oxygen 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 know...
CIE A Level Biology复习笔记8.1.7 Blood, Tissue Fluid & Lymph
Blood, Tissue Fluid & Lymph Plasma is a straw-coloured liquid that constitutes around 55% of the blood Plasma is largely composed of water (95%) and because water is a good solvent, many substa...
CIE A Level Biology复习笔记8.1.6 The Role of Water in Circulation
The Role of Water in Blood & Tissue Fluid Solvent action Water is the main component of blood (where it constitutes 95% of plasma, a straw-coloured liquid) and tissue fluid Tissue fluid is form...
CIE A Level Biology复习笔记8.1.5 Cells of the Blood
Cells of the Blood Blood is a tissue composed of a number of important specialised cells Red blood cells, monocytes, neutrophils and lymphocytes all have distinguishable structures which enable the...
CIE A Level Biology复习笔记8.1.4 Blood Vessels: Structures & Functions
Arteries, Veins & Capillaries: Structures & Functions Arteries, veins and capillaries all have varying structural features Blood vessels structure & function table Worked example: Blood...
CIE A Level Biology复习笔记8.1.3 Observing & Drawing Blood Vessels
Arteries, Veins & Capillaries: Observing & Drawing Arteries, veins and capillaries have distinctive structures which reflect their differing roles throughout the body The walls of arteries ...
CIE A Level Biology复习笔记8.1.2 The Main Blood Vessels
The Main Blood Vessels The pulmonary and systemic circulations are features of a double circulatory system, where blood passes through the heart twice in one full circuit around the body The pulmon...
美国医学预科留学有哪些大学可以选？
自从新冠疫情爆发后，医学变成了大热专业之一，申请医学院的学生人数大幅增长。根据美国医学院协会（AAMC）的数据，就在2021-2022这个申请季，全美申请医学院的学生人数较前一年增长了18%，达到62,443人。入学的...
CIE A Level Biology复习笔记8.1.1 Circulatory Systems
Closed Double Circulatory System The need for a circulatory system The cells of all living organisms need a constant supply of reactants for metabolism, e.g. oxygen and glucose Single celled organi...
CIE A Level Biology复习笔记7.2.7 Phloem: Mass Flow
Phloem: Mass Flow The Mass Flow Hypothesis was the model initially used to explain the movement of assimilates in the phloem tissue The mass flow hypothesis was modelled by Ernst Münch in 1930. His...
