Service animals are defined as dogs or miniature horses that are individually trained to do work or perform tasks for people with disabilities. (sheddaquarium.org)
Volunteers must be in generally good health and be able to perform the tasks for which they are volunteering. (humanesocietyofyorkcounty.org)
These dogs do not perform tasks for their owners, but simply improve their quality of life through emotional connection and support. (feedspot.com)