Which of the following statements is true?
Certain sexual behaviors are risky and can result in negative consequences.
C. increases your reaction time
Answer:
True
Explanation:
Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.
It's example of fault block
