Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Body Temperature

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...

Body Temperature

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...

Mechanism of heat transfer

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...

Factors Affecting Body Temperature

Factors Affecting Body Temperature

As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may include:

Requirements for Human Life

Requirements for Human Life

The Earth and its atmosphere have provided humans with air, water, and food, but these are not the only requirements for survival. Humans also require a specific range of temperature and pressure that the Earth and its atmosphere provides.
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...

Factors Influencing Microbial Growth: Temperature

Factors Influencing Microbial Growth: Temperature

Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Do evanescent waves contribute to the far field? Errata.

Optics letters·2007

Same author

Do evanescent waves contribute to the far field?

Optics letters·2007

Same author

Phase conjugation with random fields and with deterministic and random scatterers.

Optics letters·2007

Same author

Storage and retrieval of correlation functions of partially coherent fields.

Optics letters·2007

Same author

Light beams with minimum phase space product.

Optics letters·2007

Same author

Power-excitation diffraction tomography with partially coherent light.

Optics letters·2007

Search research articles

Related Experiment Video

Updated: Jun 19, 2026

An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time

An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time

Published on: October 12, 2018

ON TEMPERATURE CHARACTERISTICS FOR DIFFERENT PROCESSES IN THE SAME ORGANISM.

T J Stier¹, E Wolf

¹Laboratory of General Physiology, Harvard University, Cambridge.

The Journal of General Physiology

|October 30, 2009

Summary

Temperature affects different biological activities uniquely. The study found distinct temperature characteristics for heartbeats and respiration in Daphnia magna, indicating localized biological responses rather than a uniform organism-wide effect.

More Related Videos

Determining Temperature Preference of Mosquitoes and Other Ectotherms

Determining Temperature Preference of Mosquitoes and Other Ectotherms

Published on: September 28, 2022

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Published on: November 6, 2015

Related Experiment Videos

Last Updated: Jun 19, 2026

An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time

An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time

Published on: October 12, 2018

Determining Temperature Preference of Mosquitoes and Other Ectotherms

Determining Temperature Preference of Mosquitoes and Other Ectotherms

Published on: September 28, 2022

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Published on: November 6, 2015

Area of Science:

Physiology
Ecology
Biophysics

Background:

Organismal temperature characteristics influence physiological processes.
Understanding these characteristics is crucial for predicting biological responses to environmental changes.

Purpose of the Study:

To investigate and compare the temperature characteristics (Arrhenius plots) of simultaneous physiological activities in Daphnia magna.
To determine if a single organism exhibits uniform temperature sensitivity across different functions.

Main Methods:

Simultaneous monitoring of heart beat and respiratory movements in individual Daphnia magna.
Analysis of movement frequencies using the Arrhenius equation to determine temperature characteristics (micro).

Main Results:

The magnitude of temperature characteristics differed significantly between heart beat and respiratory movements.
Arrhenius plots showed distinct patterns for each activity, indicating differential temperature sensitivity.
The temperature characteristic (micro) values were specific to each activity, not uniform across the organism.

Conclusions:

Daphnia magna exhibits localized temperature characteristics for distinct physiological activities.
The organism does not impose a uniform temperature sensitivity; micro values have specific biological relevance.
Findings highlight the complexity of temperature-dependent biological regulation in aquatic invertebrates.