1. the hearts job is to propel blood throughout the body
2. i think the lungs trade CO2 for O2
3. they would go into hypothermic shock or something:p
I don't like to leave comments that aren't the answer, but I think you should provide a bit more context like, perhaps, a list of activities or the name of an organism.
Answer: Behavioral genetics
Explanation: This concept indicates that our genes influence our environment and in return, the environment influences our genes. Behavioural genetics has therefore expressed gene-environment interactions on the behaviour of an individual.
