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

Fact 2: All of the chordates have elongated bilaterally symmetrical bodies.

Given the two facts above, answer the question "humans have complete digestive systems and what bodies." with the following options: 
- non symmetrical
 - allow growth
 - aerobic capacity
 - bilateraly symmetrical
 - steal
 - sensory neurons
 - biological diversity
 - rubber


 

    bilateraly symmetrical     