Question

What are the main blood vessels that link the circulatory and respiratory systems in the human body?

Answer 1

Pulmonary Artery, Pulmonary Vein and Capillaries

Explanation:

The pulmonary artery carries deoxygenated blood to the lungs to be oxygenated and returns via the pulmonary veins.
Capillaries carry nutrients, hormones, transfer oxygen.