Heat production and muscle fatigue Flashcards
1
Q
How much energy released in reaction of cellular reaction is ised to form ATP?
A
less than half
2
Q
What is half the energy released in cellular respiration used to form?
A
becomes heat
3
Q
Where is the heat produced carried by and what does it do?
A
heat is carried by the blood to other tissues and helps maintain body temperature
4
Q
What is it called when a muscle loses its ability to contract during strenuous exercise?
A
Fatigue
5
Q
What can muscle fatigue arise from?
A
electrolyte imbalance and decreased ATP levels
6
Q
What can a decreased in pH due to lactic acid accumulation may have a role in?
A
muscle fatigue
7
Q
What causes a muscle cramp?
A
changes in extracellular fluid around muscle fibres