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2. File:Negative Feedback Loop Diagram for Human Body ...

   en.wikipedia.org/wiki/File:Negative_Feedback...

   In this diagram, the tube-shaped objects represent blood vessels and the red and blue objects represent thermometers. The middle blood vessel is sized for a blood vessel at normal body temperature. When the body temperature increases above normal temperature, a signal is sent to the hypothalamus of the brain which then sends an impulse into the ...

3. Human thermoregulation - Wikipedia

   en.wikipedia.org/wiki/Human_thermoregulation

   As in other mammals, human thermoregulation is an important aspect of homeostasis. In thermoregulation, body heat is generated mostly in the deep organs, especially the liver, brain, and heart, and in contraction of skeletal muscles. [1] Humans have been able to adapt to a great diversity of climates, including hot humid and hot arid.

4. Human body temperature - Wikipedia

   en.wikipedia.org/wiki/Human_body_temperature

   Human body temperature varies. It depends on sex, age, time of day, exertion level, health status (such as illness and menstruation), what part of the body the measurement is taken at, state of consciousness (waking, sleeping, sedated), and emotions. Body temperature is kept in the normal range by a homeostatic function known as ...

5. File:Diagram of the human heart (cropped).svg - Wikipedia

   en.wikipedia.org/wiki/File:Diagram_of_the_human...

   Athletic heart syndrome; Atrium (heart) Blood; Cavoatrial junction; Fourth heart sound; Heart; Human body; Inferior vena cava; Lutembacher's syndrome; Mitral valve; Mitral valve repair; Pressure–volume diagram; Pulmonary artery; Pulmonary regurgitation; Pulmonary valve; Pulmonary vein; Ross procedure; Third heart sound; Tissue engineering of ...

6. File:Relations of the aorta, trachea, esophagus and other ...

   en.wikipedia.org/wiki/File:Relations_of_the...

   Label correction: 13:23, 23 September 2019: 512 × 403 (397 KB) Mikael Häggström: Correction of left arteries: 12:59, 23 September 2019: 512 × 403 (397 KB) Mikael Häggström: Pulmonary vessel level corrections: 04:42, 18 May 2011: 512 × 403 (388 KB) Mikael Häggström: More accurate inferior endings: 15:26, 17 May 2011: 512 × 403 (387 KB ...

7. Thoracic cavity - Wikipedia

   en.wikipedia.org/wiki/Thoracic_cavity

   structures of the cardiovascular system, including the heart and great vessels, which include the thoracic aorta, the pulmonary artery and all its branches, the superior and inferior vena cava, the pulmonary veins, and the azygos vein; structures of the respiratory system, including the diaphragm, trachea, bronchi and lungs [1]

8. Cold and heat adaptations in humans - Wikipedia

   en.wikipedia.org/wiki/Cold_and_heat_adaptations...

   The human body always works to remain in homeostasis. One form of homeostasis is thermoregulation. Body temperature varies in every individual, but the average internal temperature is 37.0 °C (98.6 °F). [1] Sufficient stress from extreme external temperature may cause injury or death if it exceeds the ability of the body to thermoregulate.

9. File:Relations of the aorta, trachea, esophagus and other ...

   en.wikipedia.org/wiki/File:Relations_of_the...

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