Fact 1: Insect bites cause harm to living things.

Fact 2: Insect bites are another source of poisoning.

Given the two facts above, answer the question "What can be harmed by poison?" with the following options: 
- circulatory systems
 - venom
 - dead creatures
 - amphibians
 - toxins
 - living things
 - some mammals
 - some invertebrates


 

      living things   