223k views
3 votes
Veins have a much lower blood pressure than arteries. Which of these prevents backflow of blood in veins? A. pressure applied by the heart B. one–way valves in veins C. thin muscular walls of veins

User Tintu
by
5.1k points

2 Answers

4 votes

Answer:

B

Step-by-step explanation:

Plato answer

User Joost Diepenmaat
by
4.8k points
5 votes

the answer is one–way valves in veins

User Umida
by
4.2k points