The body's energy sources Flashcards
(10 cards)
Define ATP.
The high-energy compound that is the direct source of energy for every energy-requiring process.
What processes use ATP?
Muscle Contraction Circulation Tissue Building Nerve Transmission Digestion
How does ATP give off energy?
By breaking it’s outermost bonds it releases energy required for muscle movement.
Which enzyme assists the breakdown of ATP?
ATPase.
Define an exothermic reaction.
A chemical reaction that releases energy.
ATP is sufficient to only produce ______.
Several ‘powerful’ contractions.
In order to supply a continuous amount of energy what must happen to ATP?
It must be resynthesized.
The resynthesis of ATP at rest and during steady exercise is via what?
The aerobic metabolism.
What is the aerobic metabolism?
The breakdown of glucose and fats in the presence of oxygen.
What is the negative aspect of the aerobic metabolism?
It is incredibly slow so it is of no use to 100m sprinters.