Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
Answer:
Thinking about the good, becoming a good person, being around with good people
Explanation:
I put that because it change a person life of leaving the bad things behind by doing better things
Answer:
B. To transport nutrients to the body
Explanation:
the blood vessels transport nutrients to the tissues of your body!
To prevent a health risk from poor sanitation.