Explain that during exercise the body reacts to increased demand for energy.

Respiration uses this objective to connect Response to exercise with exam questions, flashcards, and worked explanations. Approved keywords include exercise. energy demand is useful here because in Response to exercise, energy demand refers to the increased requirement for energy by the body during physical activity. This matters in Respiration because it supports the learning objective to explain that during exercise the body reacts to increased demand for energy. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions. Avoid students often think that the body only requires energy during exercise and not at rest; instead emphasize that the body continuously requires energy for basic functions, and during exercise, the demand increases significantly. Use review how the body responds to increased energy demands during exercise, focusing on heart rate, breathing rate, and energy transfer. Link your answer to Response to exercise in Respiration, and keep the biology specific to exercise. This understanding is crucial for explaining physiological changes during exercise, which can help you answer related questions effectively. This keeps revision aligned with the approved learning objective on explain that during exercise the body reacts to increased demand for energy.