NEET PG DENTAL EXAM

Detailed explanation-1: -organs and parts are called venules, and they unite to form veins, which return the blood to the heart. Capillaries are minute thin-walled vessels that connect the arterioles and venules; it is through the capillaries that nutrients and wastes are exchanged between the blood and body tissues.

Detailed explanation-2: -Blood flows from venules into larger veins. Just like the arterial system, three layers make up the vein walls. But unlike the arteries, the venous pressure is low. Veins are thin-walled and are less elastic.

Detailed explanation-3: -The capillaries join up to form larger vessel which in turn forms veins The veins carry blood back to the heart The veins are under less pressure than the arteries.

Detailed explanation-4: -Answer: Arteries and veins are joined by a network of capillaries.