Relier Pairs Anatomy Activity 4 Version en ligne Identify the characteristics of the five shapes used in the classification of bones. par Neil Blue 1 2 3 4 5 Sesamoid Bones- bones that help reinforce tendons Long Bones- Support weight and facilitate movement Flat bones- Main function is to protect internal organs Irregular Bone- complex shapes and allows flexibility Short Bones- small cube shaped bones found in hands and feet