3. Video http://www.youtube.com/watch?v=NP29ejPrOPE

6. Benefits of Strength and Endurance Better posture Look firmer and trimmer Feel better Reduce injury Increase capacity to perform daily tasks and activity Reduce bone and muscle loss as you age

9. Muscle Basics Continued Cartilage – is found in a joint between the bones and acts as a cushion between the ends of the bones. See pg. 276 3 types of muscles: Cardiac – in the heart Smooth – in arteries and internal organs, they help with functions such as digestion Skeletal – located around bones and joints. Theses allow us to move.

11. Effects of Exercise on the Muscular System Size of the muscle temporarily increases as the blood flow to it increases – this is why you get a “pump” after a workout Body temperature rises due to increased activity in the muscle tissue Muscles become more flexible and contract at a faster rate In muscular endurance activities: The number of red blood cells increase Additional capillaries develop

12. Assignment: Pg. 283 Write the question and the correct answer