Question

question: touch, smell and taste, hearing and balance, and vision are all ____ of the animal body.

Explanation:

In the context of the animal body, touch, smell, taste, hearing, balance, and vision are all related to the sensory functions. These are the senses (or sensory systems) that animals use to perceive their environment. The term that fits here is "senses" (or "sensory functions").

Answer:

senses (or "sensory functions")