AQA A Level Biology復(fù)習(xí)筆記3.5.2 The Human Heart
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...
上海天華英澳美學(xué)校怎么樣？
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AQA A Level Biology復(fù)習(xí)筆記3.4.7 Animal Adaptations For Their Environment
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 ...
AQA A Level Biology復(fù)習(xí)筆記3.4.6 Cardiac Output
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...
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AQA A Level Biology復(fù)習(xí)筆記3.4.5 The Bohr Shift
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...
AQA A Level Biology復(fù)習(xí)筆記3.4.4 The Oxygen Dissociation Curve
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...
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AQA A Level Biology復(fù)習(xí)筆記3.4.3 The Role of Haemoglobin
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 ...
