ACTIVITY CYCLES
\aktˈɪvɪti sˈa͡ɪkə͡lz], \aktˈɪvɪti sˈaɪkəlz], \a_k_t_ˈɪ_v_ɪ_t_i s_ˈaɪ_k_əl_z]\
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Bouts of physical irritability or movement alternating with periods of quiescence. It includes biochemical activity and hormonal activity which may be cellular. These cycles are shorter than 24 hours and include sleep-wakefulness cycles and the periodic activation of the digestive system.
By DataStellar Co., Ltd
Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.