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6. Which type of muscles is responsible for all kinds of movement?

A. cardiac muscle C. smooth muscle

B. skeletal muscle D. voluntary muscle

7. Which describes the cardiac muscle?

A. voluntary muscle C.no striations

B. involuntary muscle D. muscles that move the bones

8. How do muscles work in order to move the bones?

A. in pairs B. by itself C. in one direction D. in all directions​