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.
What are the three branches of life? Question Date: 2007-08-28: Answer 1: Scientists like to sort things, and with all the millions of species on Earth, it's an important job. One major way that we classify living things is to break them into 3 domains or branches: The eukaryote branch includes us, along with other animals, plants,fungi, and one-celled species such as paramecia and amebas.