In biophysics, heat plays a crucial role in various physiological processes, affecting cellular reactions, metabolic rates, and thermoregulation. Understanding the nature, measurement, and transfer of heat is essential for studying how the body maintains homeostasis and responds to environmental changes. Nature of Heat in Biophysics Measurement of Heat Transfer of Heat in Biophysics Heat transfer in biological systems is essential for maintaining temperature gradients, distributing energy, and supporting physiological functions.