Category Nuances for defecation:

• everyday,
• neural,
• involuntary,
• physical,
• natural,
• physiological,
• biological,
• visceral,
• emotional,
• behavioral,
• routine,
• muscular,
• autonomic,
• sympathetic,

Simple Categories for defecation:

• process,
• phenomenon,
• evacuation,
• activity,
• response,