1) The organs in your body, like your stomach, are made of __ muscles. a) skeletal b) cardiac c) smooth 2) Muscles do their work when they __. a) get longer b) get shorter or contract c) fold up 3) What tissue connects muscles to bones? a) ligament b) tendon c) flexor 4) a muscle that makes the joint bend (like your elbow) is a __. a) flexor b) extensor c) clavicle 5) A muscle that straightens a joint is a ___. a) flexor b) extensor c) femur 6) The heart is made of ___ muscle.  a) smooth b) skeletal c) cardiac

Muscular System

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