125k views
5 votes
Veins contain a network of valves to insure a one-way flow of blood but arteries do not. This is because veins must counteract the force of _______ on blood flow.

2 Answers

5 votes
Hello!

answer is "force"

have a nice day!
User JayD
by
7.2k points
2 votes
they must counteract the force of blood pressure
User Marcelog
by
8.7k points