What Respiration can be defined as

substitution is the answer in this case

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

loss of sensation to pressure and touch

the dorsal column–medial lemniscus pathway (dcml) (also known as the posterior column-medial lemniscus pathway (pcml)) is a sensory pathway of the central nervous system that conveys sensations of fine touch, vibration, two-point discrimination, and proprioception (position) from the skin and joints.