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Course Material
Unit 5 Lecture notes
IMPORTANT "1st task"
Classroom Invitation link
Unit 5 Assignment book
Respiration
Aerobic Respiration I
Cellular Respiration Cont'd
Respirometer
Respiratory Quotient
Using Redox indicators
Respiration syllabus items review
Solving Cellular Respiration Questions
Bones & Muscles
Musculoskeletal system
Muscles
Muscles (Cont'd)
Muscles syllabus items review
Solving Musculoskeletal system questions
Homeostasis
Homeostasis Lecture 1
Homeostasis Lecture 2
ECG
Spirometer
Homeostasis Syllabus items review
Solving Homeostasis Questions
Liver & kidney
Deamination & Ornithine Cycle
Kidney Structure & Ultrafiltration
Selective Reabsorption
The Loop of Henle (Counter-current multiplication)
Osmoregulation
Transcription Factors
Liver and kidney syllabus items review
Transcription factors
Solving Liver & Kidney Questions
Nervous system
Nervous communication (Lecture 1)
Action potential
Propagation of a nerve impulse, receptors and synapses
Unit 5 nervous system
Solving nervous communication questions
Unit 5 nervous system
Eye
The Mammalian Eye
Solving the Eye Questions
Eye Explanation
Brain
The Human Brain
Brain Imaging
Habituation
Brain diseases
Brain Diseases solving
Brain Explanation Edited
Biotechnology
Biotechnology
Solving Biotechnology Questions
Biotechnology part 1
Biotechnology part 2
Plants
Sensitivity in Plants
Phototropism
Effect of Gibberellins investigation
Solving Phototropism Questions
Revision solving by Dr. Mohab Megahed
Solving Cellular Respiration Questions
Solving Musculoskeletal system questions
Solving Homeostasis Questions
Solving Liver & Kidney Questions
Solving nervous communication questions
Solving the Eye Questions
Brain Diseases
Solving Biotechnology Questions
Solving Sensitivity in Plants Questions
Solving Phototropism Questions
Sensitivity in plants
Article
Article June 25
Full exams
Jan and June 20
Jan 21 and June 21
Nov 21 and Jan 22
June and Oct 22
Oct 22 and Jan 23
Jan 23 and June 23
oct 23 and Jan 24
Synoptic revision
Revision course Dr. Yahia
Respiration
Homeostasis
Liver and Kidney
Unit 5 nervous system
Brain
Eye
Unit 5 biotechnology
Unit 5 plants
Muscles explaination + Classified solving
Muscles solving 2
Preview - Biology A2 Edexcel Unit 5 June 2025
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