Answer:
2nd
Explanation:
all organisms have a common ancestor
The answer is efferent
division. The nervous system acts as an input-output
system. The afferent nervous system conveys
signals to the brain following a stimulus. After processing of the information, the
brain sends out a signal in response. This response is carried by the efferent nerve to the requisite organ involved
in the response.
Exchanging oxygen and carbondioxide between air and lungs because it just involves breathing system but everything else involves hormones.........
HOPE IT HELPS !!!
Cybersecurity- the state of being protected against the criminal or unauthorized use of electronic data, or the measures taken to achieve this.