BI-2267
Arteries, veins and capillaries
Biology · Secondary 4 · Easy · Arteries, veins and capillaries
In the human circulatory system, which blood vessel type has valves to prevent the backflow of blood and ensure one-way flow towards the heart?
- arteries only
- veins only
- arteries and capillaries
- arteries, capillaries and veins
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.