Final answer:
Physical signs of death include skin pallor, rigor mortis, and livor mortis. Presumptive signs of death include absence of pulse, breathing, and reflexes. Definitive signs of death include advanced decomposition, rigor mortis involving all muscles, and putrefaction.
Step-by-step explanation:
Physical signs of death are observable changes that occur in the body after death, such as skin pallor, rigor mortis, and livor mortis. These signs help determine if a person has died.
Presumptive signs of death are indicators that suggest a person has died, but they might not be definitive. Examples include absence of pulse, absence of breathing, and absence of reflexes.
Definitive signs of death are conclusive indicators that confirm a person has died. They include advanced decomposition, rigor mortis involving all muscles, and putrefaction.
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