What happens to muscle energy demand during exercise?
A
Muscles contract harder and more often, so they need more energy.
B
Muscles contract harder but less often, so they need the same energy.
C
Muscles contract more slowly and less often, so they need less energy.
D
Muscles contract more quickly but more weakly, so they need less energy.
4.2.2 Response to exercise Flashcards
Flashcards for AQA GCSE Biology 4.2.2 Response to exercise, covering the key terms, definitions and processes you need to recall for Paper 1 and Paper 2. 25 cards, matched to the AQA GCSE Biology (8461) specification. Recall questions account for roughly 40% of marks at GCSE Biology, so these target the marks you can secure before the paper starts.