Answer: Unrealistically optimistic
Explanation:The behavior shown by the people who don't show the conscious nature towards the risky condition and still have a hopeful mind tendency for the future are people with the unrealistic optimistic behavior .
These type of people don't think in negative way which shows that they are not pessimist natured but they don't react to the problematic situation with real solution rather being extremely hopeful in impossible manner which makes them unrealistic.
The heart plays a direct role on the movement of muscles because you're heart pumps blood to the muscles you are using when they are being exercised