Generally, blood vessels which carry pure blood are called ……………….. and blood vessels which carry impure blood are called …………….

Q. Blood vessels like arteries, veins and capillaries are found in

Q. Select the incorrect statements.
A. Arteries have thick elastic walls and veins have valves.
B. Capillaries are the smallest blood vessels supplying the tissues.
C. AV node is known as the pace setter of the heart.
D. Arteries carry blood towards the heart and veins carry blood away from the heart to different organs.

Q.

Are arteries and veins living cells?

We know that arteries carry only oxygenated blood and veins carry only deoxygenated blood then how will the veins get oxygen?

Q. Veins and arteries carry blood. Which of these carry blood away from the heart?