Large veins arterioles capillaries large arteries 1. : site where resistance to blood flow is greatest. 2. : site where exchanges of food and gases are made. 3. : site where blood pressure is lowest. 4. : site where the velocity of blood flow is fastest. 5. : site where the velocity of blood flow is slowest. 6. : site where the blood volume is greatest. 7. : site where the blood pressure is greatest. 8. : site that is the major determinant of peripheral resistance.