A phase change is when matter changes into another form but keeps its properties
Answer: The Hyoid Bone
Explanation: The hyoid bone helps to support the tongue and elevate the larynx when you talk or swallow. It's the only bone of the body that does not articulate with any other bone.
To help work place with the system
Answer:
the Echinoderms.
Explanation:
Examples of echinoderms: starfish, sea urchin, feather stars and sea cucumbers.