ACTIVITY " THE MUSCULAR SYSTEM"

TRUE OR FALSE? Decide if the following statements are true or false. If they are false,correct them.

1. When muscles contract, they become longer.
2. When muscles relax, they return to their original length and thickness.
3. Tendons connect the bones of a joint.
4. Antagonistic muscles perform the same action.
5. Arms bend at the elbow with a flexing movement.