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.
Characteristics of Life. 1  Living things are organized. 2  Living things are made up of cells. 3  Living things metabolize. 4  Living things maintain an internal environment. 5  Living things grow. 6  Living things respond. 7  Living things reproduce. 8  Living things evolve.