Number 4, im taking an online gym class and these questions are very similar
Answer:
Living a safe lifestyle like doing low risks things would mean you wouldnt be putting your self at risk for stress and danger. For example, your friends may be jumping off a cliff into the water and they end up getting injured. You on the other hand didnt do anything with the risk so you ended up bring fine.
A force relates to any pushing or pulling applied to the body to create motion.
Answer:
to pump blood or circulate around the body
