Heat energy

Definition

Heat energy is the form of energy that is transferred between systems or objects with different temperatures. It plays a crucial role in biological processes, including cellular respiration and metabolism.

5 Must Know Facts For Your Next Test

1. Heat energy is a byproduct of cellular respiration.
2. In biological systems, heat energy helps maintain body temperature and enables enzyme function.
3. ATP production in cells releases heat as a part of metabolic processes.
4. Heat energy can be measured in calories or joules.
5. Thermoregulation in organisms involves the management of heat energy.

Review Questions

• What role does heat energy play in cellular respiration?
• How is heat energy important for enzyme function in biological systems?
• In what units can heat energy be measured?

Related terms

ATP: Adenosine triphosphate, the primary molecule for storing and transferring energy in cells

Metabolism: The set of life-sustaining chemical reactions that occur within organisms to maintain life

Cellular Respiration: The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water