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 Four Phases. Cycles are prevalent in all aspects of life; they range from the very short term, like the life cycle of a June bug, which lives only a few days, to the life cycle of a planet, which takes billions of years. No matter what market you are referring to, all have similar characteristics and go through the same phases.