<span>The somatic nervous system is known as the voluntary nervous system, is a part of the peripheral nervous system. It consists of neurons that are associated with skeletal or striated muscle fibers. It affects voluntary signaling for many resion. A large part of the PNS is composed of 12 pairs of cranial nerves and 31 pairs of spinal nerves.</span>
The temp. affects on how quickly these chemical muscles reaction can occur
The human respratory system is responsible for removing 2 carbon dioxide from blood
Answer:
percentage of error= (3.4-31.)/(3.1)*100%=9.68%
Explanation: