What is the main idea of the text "Animal Heroes"?
How can animals be heroes?
What kind of people do guide dogs help?
Why are guide dogs important for people who are blind?
What can guide dogs help people do?
According to the text, how do animals help humans stay healthy?
How many smell receptors does a human have? How many smell receptors does a dog have?
What are dogs trained to do in dangerous situations?
How can dogs save people after an earthquake or fire?
