NATATION
\natˈe͡ɪʃən], \natˈeɪʃən], \n_a_t_ˈeɪ_ʃ_ə_n]\
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The action of swimming, or of supporting one's self, or moving upon the water. Swimming resembles the horizontal leap in its physiology-the medium being water instead of air. The difference between the specific gravity of the human body and that of water is not great; so that but little exertion is required to keep a part of the body above water. Swimming is a healthy gymnastic exercise, combining the advantages of bathing.
By Robley Dunglison
Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.