Answer:
What bacteria are we talking about?
Usually if a person gets an infections and goes septic, pain is inflicted.
Explanation:
D. Fruit.
Fruit is not refined or process and contains more nutrients than the other options.
The best answer for the blood vessels' valves would be these are veins that would then help in preventing the back flow of blood because the walls have small muscle to pump the blood back to the heart.Hope this is the answer.
