You are presented with the question "What kind of animal sometimes gets hiccups?" and the following answer choices: 
- mammals
 - fur seals
 - fish
 - goats
 - humans
 - insects
 - worms
 - dogs

Now knowing that mammals breathe with the help of a diaphragm and hiccups are a result of spasms of the diaphragm, choose the best answer.


 

 mammals        