Diff: 2 Page Ref: 685-686. 18) If the vagal nerves to the heart were cut, the result would be that ________. A) the heart would stop, since the vagal nerves trigger the heart to contract. B) the heart rate would increase by about 25 beats per minute. C) the AV node would become the pacemaker of the heart.
Living things have seven essential processes in common:  movement, respiration, sensitivity, growth, reproduction, excretion and nutrition. All things fall into one of three categories: living, used to be living or not living; the presence of all seven life processes indicates a living thing.
THE 7 CHARACTERISTIC PROCESSES OF LIFE. Biology is the study of life and all living organisms, so we must be clear about the difference between living and non living things. All living organisms have the potential to carry out 7 basic processes, i.e. special actions which may be called the characteristics of life.