Question

In humans, blood vascular system has

• A. Double circulation
• B. Venous heart
• C. Arterial heart
• D. Arteriovenous heart

Answer 1

The correct option is A Double circulation

In humans, blood vascular system has Double circulation it means we have two loops in our body in which blood circulates. One is oxygenated blood and the other is deoxygenated blood. From the heart oxygenated blood is supplied to all over the body through systemic circulation and deoxygenated blood is sent to lungs for oxygenation through pulmonary veins.

So, the correct answer is 'Double circulation'.