bio sign

thingiverse

Human being a fundamental unit of life possesses certain distinct bio signs that indicate existence. Key among these are vital bodily functions like breathing and pulse that verify someone's presence and state of consciousness. The heart beats rapidly in excitement or when encountering a loved one and slower at rest, giving clues about emotional state and level of alertness. Body temperature is another essential sign that shows the overall well-being and internal regulation mechanisms at work. Skin tone too provides a clue to hydration levels and circulation while pupils indicate sensitivity to light and potential health issues. All these combined signs help in recognizing someone's presence or determining the need for medical intervention in critical situations.