Related Experiment Video

Updated: Aug 10, 2026

Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats
04:55

Using a Thermal Camera to Measure Heat Loss Through Bird Feather Coats

Published on: June 17, 2020

[Model of temperature distribution on the body surface of homeotherms]

Iu G Sterlin

    Biofizika
    |March 1, 1977
    PubMed

    More Related Videos

    A Computational Modeling Approach to Investigate the Influence of Hyperthermia on the Tumor Microenvironment10:23

    A Computational Modeling Approach to Investigate the Influence of Hyperthermia on the Tumor Microenvironment

    Published on: December 1, 2023

    Comparative Study of Simulation of Temperature Rise in Ring Main Unit04:35

    Comparative Study of Simulation of Temperature Rise in Ring Main Unit

    Published on: July 5, 2024

    Related Concept Videos

    Body Temperature01:25

    Body Temperature

    The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
    Mechanism of heat transfer01:19

    Mechanism of heat transfer

    Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
    Temperature Measurement Sites01:14

    Temperature Measurement Sites

    A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
    Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
    Body Temperature01:07

    Body Temperature

    Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
    The average body temperature is approximately 37°C (98.6°F) and typically ranges from 36.1–37.2°C (97–99°F), remaining relatively stable...
    Mechanisms of Heat Transfer01:14

    Mechanisms of Heat Transfer

    Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
    Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant heat.
    Thermoregulation01:26

    Thermoregulation

    The human body has a sophisticated thermoregulation system that employs negative feedback mechanisms to maintain an optimal core temperature. When the core temperature drops, peripheral and central thermoreceptors send signals to the hypothalamus, activating the heat-promoting center. This center triggers several responses aimed at increasing the core temperature. First, vasoconstriction reduces the flow of warm blood from internal organs to the skin so that the heat is not lost from the skin,...