Card 1 of 25
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.
Card 1 of 25
4.2.2 Response to exercise Flashcards
25 flashcards on AQA GCSE Biology 4.2.2 Response to exercise: the key terms, definitions and processes you need to recall for Paper 1 and Paper 2.