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Asked by 587bmay27 to Peter, Jonathan, Grace, Doris on 4 Jun 2019.
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Grace Kago answered on 4 Jun 2019:
Both men and women can produce sounds in order to communicate with their partners.
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Peter Macharia answered on 4 Jun 2019:
@587bmay27
In addition, some study done in the 1980s suggested that its a physiological response to an epiphenomenon occurring when the body needs more oxygen. Same way like tennis players grunt when kicking the tennis ball
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