| D012018 |
Reflex |
An involuntary movement or exercise of function in a part, excited in response to a stimulus applied to the periphery and transmitted to the brain or spinal cord. |
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| D012119 |
Respiration |
The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration ( |
Breathing |
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| D001775 |
Blood Circulation |
The movement of the BLOOD as it is pumped through the CARDIOVASCULAR SYSTEM. |
Blood Flow,Circulation, Blood,Blood Flows,Flow, Blood |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000222 |
Adaptation, Physiological |
The non-genetic biological changes of an organism in response to challenges in its ENVIRONMENT. |
Adaptation, Physiologic,Adaptations, Physiologic,Adaptations, Physiological,Adaptive Plasticity,Phenotypic Plasticity,Physiological Adaptation,Physiologic Adaptation,Physiologic Adaptations,Physiological Adaptations,Plasticity, Adaptive,Plasticity, Phenotypic |
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| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
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| D000531 |
Altitude |
A vertical distance measured from a known level on the surface of a planet or other celestial body. |
Altitudes |
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| D000532 |
Altitude Sickness |
Multiple symptoms associated with reduced oxygen at high ALTITUDE. |
Mountain Sickness,Altitude Hypoxia,Altitude Hypoxias,Hypoxia, Altitude,Sickness, Altitude,Sickness, Mountain |
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| D000860 |
Hypoxia |
Sub-optimal OXYGEN levels in the ambient air of living organisms. |
Anoxia,Oxygen Deficiency,Anoxemia,Deficiency, Oxygen,Hypoxemia,Deficiencies, Oxygen,Oxygen Deficiencies |
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| D001642 |
Bicycling |
The use of a bicycle for transportation or recreation. It does not include the use of a bicycle in studying the body's response to physical exertion (BICYCLE ERGOMETRY TEST see EXERCISE TEST). |
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