1. Muscular System

2. Muscular System Includes Cardiac muscles Smooth muscles Skeletal muscles

3. Its function is to…  Allow body to move  Aid in circulation  Help with digestion

4. Structure info: Cardiac muscle- involuntary (we cannot control them) are striated and found ONLY in heart. Smooth muscle- involuntary (we do not control them) - found in digestive organs and blood vessel walls. Contract rhythmically without getting tired. Skeletal muscles- voluntary (we control them) striped and striated. Move bones, skeletal muscles work in pairs. One extends and one contracts. Muscles always pull; never push. Tendons attach bones to muscles

5. How is structure and function related? Muscles are structured around the length of your bones to help your bones move.

6. Taking care… Nutrition, well-balanced diet Regular exercise Sleep(good for muscle regeneration)

7. Diseases/Conditions of the muscles: Muscular dystrophy, or MD, is an inherited muscle disease that causes muscle fibers to become incredibly susceptible to harm. Fibromyalgia is a disorder characterized by widespread musculoskeletal pain accompanied by fatigue, sleep, memory and mood issues. The pain associated with fibromyalgia often is described as a constant dull ache, typically arising from muscles.

8. FUN facts: The body has over 630 muscles, which make up almost half of its total weight. Eye muscles are one of the busiest muscles in your body: scientists believe they move more than 100,000 times a day. The largest muscle in your body is called the gluteus maximus, which is the muscle in your buttock.