The circulatory system delivers oxygen and nutrients to cells and takes away wastes.
Symptoms of depression include having a loss of energy, change in appetite or weight particularly noticeable weight gain or loss, trouble focussing, feelings of hopelessness, and loss of daily interest in activities.
Aquatics may refer to: Aquatic sports in the Olympics and other international competitions, including the disciplines of swimming, diving, synchronized swimming, water polo, and open water swimming. Water-related sports more broadly (including boat racing, water skiing, swimming, etc.); see List of water sports.
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