Q: What work together in pairs to bend or straighten a joint? Choices: - nerve fibers - collagen bands - cartilage tissues - muscles A:
muscles

Q: In a magnet, what are the regions called that are the strongest? Choices: - positives - plates - negatives - poles A:
poles

Q: What is the term for a scalar measure of how quickly an object is moving along this line? Choices: - velocity - motion - force - speed A:
speed