Edexcel IGCSE Biology 复习笔记 2.7.6 Smoking & the Human Gas Exchange System Smoking & the Gas Exchange System Smoking causes chronic obstructive lung disease (COPD), coronary heart ...
Edexcel IGCSE Biology 复习笔记 2.7.5 Human Gas Exchange System Structure of the Breathing System The lungs are the gas exchange surface in humans All gas exchange surfaces have features in common w...
Edexcel IGCSE Biology 复习笔记 2.7.4 Practical: The Effect of Light on Gas Exchange in Plants Practical: The Effect of Light on Gas Exchange in Plants Apparatus Boiling tubes Cotton wool Alu...
Edexcel IGCSE Biology 复习笔记 2.7.3 Plants: Gas Exchange in Photosynthesis & Respiration Gas Exchange: Photosynthesis & Respiration The processes of respiration and photosynthesis b...
Edexcel IGCSE Biology 复习笔记 2.7.2 Leaf Structure Leaf Structure The structure of the leaf is adapted to carry out both photosynthesis and gas exchange The different cell types (palisade m...
Edexcel IGCSE Biology 复习笔记 2.7.1 Diffusion in Gas Exchange Diffusion in Gas Exchange Diffusion is the movement of molecules from a region of its higher concentration to a region of its l...
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...
