MUSCULAR SYSTEM
Crash Course Muscular system 1
https://www.youtube.com/watch?v=Ktv-CaOt6UQ
1.What are the three types of muscle tissue?
2. Where are each type of muscle found in your body?
3. What does it mean for a muscle to be involuntary or voluntary?
4. Draw a diagram showing the 3 main layers of skeletal muscle. Label your diagram.
5. What is myosin and actin?
6. What role does myosin and actin play in the muscle contraction?