Change: 1One nucleus per cell. Controlled by ANS. Cardiac Muscle - Involuntary Located only in the heart Does not need nervous stimulation to beat, has its own intrinsic rhythmic system The rate of the beat is influenced by the ANS, but not controlled by it One single cell   View changes from previous version. (Word count: 2850)

Change: and then arms will extended. Loosen your grip with one hand, let's say the left hand, and maintain your grip with the right. With your right hand holding the rope, change your right arm's shape to shorten its reach and pull the rope toward you. Grab the rope   View changes from previous version. (Word count: 2845)

Change: Your Contracting a Muscle Muscle:The thick and thin filaments do the actual work of a muscle, and the way they do this is pretty cool. Thick filaments are made of a protein called myosin. At the molecular level, a thick   View changes from previous version. (Word count: 2946)

Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 2948)

Change: a. heartb.uterusc.esophagusd.eye5. Which of these muscles have motor units with the highest innervation ration?a. leg musclesb. arm musclesc. muscles that move the fingersd. muscles of the trunk6. Spastic paralysis may occur when there is damage to __________.a. the   View changes from previous version. (Word count: 2948)

Change: a. smoothb.cardiacb. cardiacc.roughd.skeletale. a,b and d4.Which is not an example of where you would find smooth muscle tissue?a.heartb.uterusc.esophagusd.eye5. Which of these muscles have motor units with the highest innervation ration?a. leg musclesb. arm musclesc. muscles   View changes from previous version. (Word count: 2948)

Change: b. 20%c.90%c. 90%d.40%3.What are the three types of muscle tissue?a.smoothb.cardiacc.roughd.skeletale. a,b and d4.Which is not an example of where you would find smooth muscle tissue?a.heartb.uterusc.esophagusd.eye5. Which of these muscles have   View changes from previous version. (Word count: 2948)

Change: c. healthy dietd. all of the above2.What percent of your weight is skeletal muscle tissue? a.60%b.20%c.90%d.40%3.What are the three types of muscle tissue?a.smoothb.cardiacc.roughd.skeletale. a,b and d4.Which is not an example of where you would find smooth muscle tissue?   View changes from previous version. (Word count: 2948)

Change: 1.What1. What is the main way to maintain muscle tone and body temperature?a.Muscle twitchb. regular exercisec.healthy dietd. all of the above2.What percent of your weight is skeletal muscle tissue? a.60%b.20%c.90%d.40%3.What are the three types of muscle tissue?a.smoothb.cardiacc.rough   View changes from previous version. (Word count: 2948)

Change: FIBERS.FIBERS. These are multinucleated cells and are very long (as long as the muscle) -Muscle cells contain many MYOFIBRILS, which are bundles of MYOFILAMENTS (ACTIN(ACTIN and MYOSIN).MYOSIN).-Myofibrils are divided into segments known as SARCOMERESsarcomers-SARCOMERES-SARCOMERES are the   View changes from previous version. (Word count: 2966)