Q: What are the smallest type of blood vessel?


Read this paragraph and choose the correct option from the provided answers:

Further away from the heart, the aorta branches into smaller arteries, which eventually branch into capillaries. Capillaries are the smallest type of blood vessel; they connect very small arteries and veins. Gases and other substances are exchanged between cells and the blood across the very thin walls of capillaries.

 Choices:

- varicose veins

- spider veins

- arteries

- capillaries


A:
capillaries