Fact 1: Chordates have a complete digestive system and a closed circulatory system.

Fact 2: Yep, lizards are chordates, just like humans.

Given the two facts above, answer the question "what have a complete digestive system and closed circulatory system?" with the following options: 
- protist
 - sharks
 - cows
 - lizards
 - mammals
 - viruses
 - crocodiles
 - bacteria


 

    lizards     