Edexcel IGCSE Biology 复习笔记 2.6.3 Practical: Investigating Respiration Practical: Investigating Respiration We can investigate the production of carbon dioxide and heat from respiration through ...
Edexcel IGCSE Biology 复习笔记 2.6.2 Types of Respiration Aerobic Respiration Aerobic respiration requires oxygen It is defined as the chemical reaction in cells that uses oxygen to break down nutr...
Edexcel IGCSE Biology 复习笔记 2.6.1 Energy ATP Organisms need energy for things such as: Chemical reactions to build larger molecules from smaller molecules Muscle contraction to allow move...
Edexcel IGCSE Biology 复习笔记 2.5.12 The Energy Content of Food Practical: Energy Content of a Food Sample We can investigate the energy content of food in a simple calorimetry experiment A...
Edexcel IGCSE Biology 复习笔记 2.5.11 Absorption Absorption of Food & Water The Stages of Food Breakdown Food taken into the body goes through several different stages during its ...
Edexcel IGCSE Biology 复习笔记 2.5.10 Humans: Bile Bile Production Bile is an alkaline substance produced by cells in the liver Before being released into the small intestine bile is stored ...
Edexcel IGCSE Biology 复习笔记 2.5.9 Humans: Digestive Enzymes The Role of Digestive Enzymes The purpose of digestion is to break down large, insoluble molecules into smaller, soluble molecu...
Edexcel IGCSE Biology 复习笔记 2.5.8 Humans: The Digestive System The Structure & Function of the Alimentary Canal The digestive system is an example of an organ system in which several ...
Edexcel IGCSE Biology 复习笔记 2.5.7 Humans: Balanced Diet The Importance of a Balanced Diet A balanced diet consists of all of the food groups in the correct proportions The necessar...
