Final answer:
Arterioles are the smallest arteries that connect arterioles and venules, helping to regulate blood flow and blood pressure.
Step-by-step explanation:
The smallest arteries are called arterioles. Arterioles connect arterioles and venules and play a crucial role in slowing down blood flow and regulating blood pressure. They are part of the cardiovascular system and are responsible for distributing blood to the capillaries.