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.
1 ALL living organisms burn organic molecules to release the stored energy and use it to drive their own chemical reactions. 2  The process living organisms use to release the energy stored in sugar is called CELLULAR RESPIRATION, and its chemical equation is exactly the opposite of photosynthesis: ALL living organisms burn organic molecules to release the stored energy and use it to drive their own chemical reactions. 2  The process living organisms use to release the energy stored in sugar is called CELLULAR RESPIRATION, and its chemical equation is exactly the opposite of photosynthesis: