Muscular System By Bayla Reinstein Sarah Shapiro and

Muscular System By: Bayla Reinstein, Sarah Shapiro, and Ben Zuckerman

Main Function � The muscular system is responsible for the movement of the human body. � Each muscle is a discreet organ constructed of… - Skeletal muscle tissue - Blood vessels - Tendons - Nerves

Vocabulary Voluntary: A muscle that is normally controlled by an individuals will. � Involuntary: A muscle that contracts without conscious control and found in walls of internal organs. � Striated: Muscle tissue in which the contractile fibrils in the cells are aligned. � Biceps: A two- headed muscle that lies on the upper arm between the shoulder and the elbow. �

Vocabulary � � � Triceps: Any several muscles having three points of attachment at one end. The large muscle at the back of the upper arm. Quadriceps: Muscles on the front of the thigh. Oblique: A muscle neither parallel nor perpendicular to the long axis of a body or a limb. Gluteus Maximus: Any of the three muscles in each buttock that move thigh. Rectus Abdominis: A pair of long flat muscles at the front of the abdomen.

Vocabulary � Pectoral: Each of the four large paired muscles that cover the front of the rib cage and serve to draw the forelimbs toward the chest. � Contract: To flex your stomach muscle. � Relax: To make or become less tense or anxious.

3 Main Types of Muscles Smooth Muscle: Muscle tissue in which the contractile fibrils are not highly ordered. � Cardiac Muscle (Heart Muscle): Involuntary striated muscle that is found in the walls and histological foundation of the heart. � Skeletal Muscle: A muscle that is connected to the skeleton to form part of the mechanical system that moves the limbs and other parts of the body. �

Movement Using Biceps & Triceps � The bicep contracts or shortens, pulling the lower arm up, and causing the elbow to bend. At this time the triceps relaxes or lengthens. � To straighten the elbow it is then the triceps which contract or shorten in order to pull the lower arm down, and at this time the bicep relaxes.

How the Muscular System and Other Body System Affect each other Skeletal System: The skeletal system can manage the action of skeletal muscle. � Nervous System: The neurons of the nervous system are connected to most of the cells in your muscular system. The nervous system regulates contractions of the muscles. � Digestive System: Smooth muscles line the digestive system and help move food through your intestines. � Circulatory: Myocardium aids the circulatory system in its function of pumping blood from the heart, and its subsequent transportation round the body. �

Nobody Messes with the Muscular System except… � Cerebral Palsy: group of permanent movement disorders that appear in early childhood. � Muscular Dystrophy: a hereditary condition marked by progressive weakening and wasting of the muscles. Disease Muscular System

Effects of the Environment on the Muscular System Heat, cold, and altitude are three of the most important environmental factors that impact the muscular system. � Heat and exercise cause your body temperature to rise. An elevated body temperature means the muscles also have a higher temperature. � A cold environment decreases both your core body temperature and muscular temperature. The muscles are less flexible. � Altitude has a significant impact on the available oxygen for use in working muscles. �

Fun Facts � There are over 600 muscles in the human body. � Muscles can only pull- they cannot push. � Energy is stored in the muscle in a chemical called ATP.

Works Cited � � � “Muscular System. " Inner. Body. N. p. , n. d. Web. 29 Mar. 2017. "Biology in Motion. " Biology in Motion. N. p. , n. d. Web. 30 Mar. 2017. "Circulatory System. " Fact Monster from Information Please. N. p. , n. d. Web. 30 Mar. 2017. "Environmental Effects on the Muscular System. " LIVESTRONG. COM. Leaf Group, 01 Nov. 2013. Web. 30 Mar. 2017 "Explore. " Explore | Discovery Kids. N. p. , n. d. Web. 30 Mar. 2017.