"What's the plural of body?"

The plural of body is bodies.

Definition of body:

The physical structure and material substance of an individual human or animal, including the bones, organs, and tissues.

Single Examples:
1. She took good care of her body by exercising regularly and eating a balanced diet.
2. He applied lotion to keep his body moisturized and prevent dry skin.
3. The doctor examined her body to check for any signs of illness.
Plural Examples:
1. During the anatomy class, students studied human bodies to learn about the different systems.
2. They donated their bodies to medical research to contribute to scientific advancements.
3. We need to take care of our physical and mental bodies for overall well-being.