Service animals perform some of the functions and tasks that the individual with a disability cannot perform for him or herself. "Seeing eye dogs" are one type of service animal, used by individuals who are blind. This is the type of service animal with which most people are familiar. However, there are many different kinds of service animals that assist disabled persons with many other kinds of disabilities in their day-to-day activities. A few examples include: 
 

• Alerting persons with hearing impairments to sounds.
•  Pulling wheelchairs or carrying and picking up things for persons with mobility impairments.
• Assisting persons with mobility impairments with balance.
• Alerting persons with seizures or low blood sugar.
• Condition signal assistance.