AQA A Level Biology復習筆記6.1.10 The Human Retina
The Human Retina The eye is a?sense organ?containing receptors sensitive to light intensity and colour Receptors?are groups of specialised cells that can generate an electrical impulse in a ...
Edexcel IGCSE Biology 復習筆記 2.4.5 Active Transport
Edexcel IGCSE Biology 復習筆記 2.4.5 Active Transport Active Transport Theory Active transport is: The movement of particles through a cell membrane from a region of lower concentrati...
AQA A Level Biology復習筆記6.1.9 Investigating Touch and Temperature Receptors
Investigating Touch and Temperature Receptors on Skin Within the human skin, there are many temperature and touch receptors that enable humans to interpret and respond to their environment E...
Edexcel IGCSE Biology 復習筆記 2.4.4 Practical: Osmosis
Edexcel IGCSE Biology 復習筆記 2.4.4 Practical: Osmosis Practical: Factors that Influence Osmosis Osmosis is the diffusion of water molecules from a dilute solution (high concentration of water) to...
AQA A Level Biology復習筆記6.1.8 Generator Potential
Establishment of a Generator Potential When Pacinian corpuscles?are stimulated?by pressure on the skin this leads to the?establishment of a generator potential This happens due to the moveme...
Edexcel IGCSE Biology 復習筆記 2.4.3 Osmosis
Edexcel IGCSE Biology 復習筆記 2.4.3 Osmosis Osmosis Theory All cells are surrounded by a cell membrane which is?partially permeable Water?can move in and out of cells by osmosis Osmosis is ...
AQA A Level Biology復習筆記6.1.7 The Pacinian Corpuscle
The Pacinian Corpuscle Humans possess a wide range of receptor cells that can detect and respond to a large variety of?stimuli For example, temperature, taste, sound, heat and light T...
Edexcel IGCSE Biology 復習筆記 2.4.2 Practical: Diffusion
Edexcel IGCSE Biology 復習筆記 2.4.2 Practical: Diffusion Practical: Factors that Influence Diffusion Diffusion is the?movement of molecules?from a region of?higher?concentration to a region...
AQA A Level Biology復習筆記6.1.6 Causes of Animal Movement
Investigating Environmental Factors That Cause Animal Movement Environmental factors can be abiotic or biotic Abiotic?factors are the?non-living?parts of an environment For example: temperat...
