How do out bodies receive stimuli as input and what part of the nervous system is responsible for that process?

Sensory neuron sense the stimuli and brain & spinal cord processes the information received through stimuli

Explanation:

The sensory neurons presents in our sense organs helps our body to sense the stimuli and pass on this information via sensory neurons to the motor neurons to the message processing units i.e brain and spinal cord. After the processing of information, the brain and spinal cord sends action messages via the motor neurons to the respective  body parts thereby giving instructions to take necessary action.

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explanation:

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cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.