| D010806 |
Physical Education and Training |
Instructional programs in the care and development of the body, often in schools. The concept does not include prescribed exercises, which is EXERCISE THERAPY. |
Education, Physical,Physical Education,Physical Education, Training |
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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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| D000596 |
Amino Acids |
Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. Twenty alpha-amino acids are the subunits which are polymerized to form proteins. |
Amino Acid,Acid, Amino,Acids, Amino |
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| D012621 |
Seasons |
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
Seasonal Variation,Season,Seasonal Variations,Variation, Seasonal,Variations, Seasonal |
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| D013026 |
Space Flight |
Travel beyond the earth's atmosphere. |
Space Exploration,Space Travel,Spaceflight,Exploration, Space,Explorations, Space,Flight, Space,Flights, Space,Space Explorations,Space Flights,Space Travels,Spaceflights,Travel, Space,Travels, Space |
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| D014893 |
Weightlessness |
Condition in which no acceleration, whether due to gravity or any other force, can be detected by an observer within a system. It also means the absence of weight or the absence of the force of gravity acting on a body. Microgravity, gravitational force between 0 and 10 -6 g, is included here. (From NASA Thesaurus, 1988) |
Microgravity,Zero Gravity,Gravity, Zero |
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