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Respiration, ATP, and energy transfer

Respiration, ATP, and energy transfer

Respiration is a chemical process in living cells that releases energy from glucose and transfers it to ATP. Cells use ATP for jobs such as muscle contraction, active transport, cell division, and building larger molecules.

Respiration Lesson

  1. IGCSE
  2. /Biology
  3. /Respiration

Step-by-step lessons covering Edexcel IGCSE Biology Respiration for IGCSE Biology. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational cell biology and core content before moving on to the more data-heavy ecology, genetics and practical-skills topics, which carry a large share of the exam marks.