When a baseball player is hit in the back by a ball, what is detected by the pain receptors?

A) chemicals that are released by the damaged cells
B) the pressure produced by the trauma
C) the body's position during the time of the injury
D) the temperature of the day
E) None of the answer choices would be detected by the pain receptors.

Nociceptors

Sensory receptors found throughout the body that respond to potentially harmful stimuli by sending pain signals to the nervous system.

Chemicals

Substances with a distinct molecular composition that are used in or produced by chemical processes.

Damaged Cells

Cells that have been impaired in function or structure due to injury from physical, chemical, or biological agents.