Question

______________ takes blood from the heart to the lungs and back again, while ____________ takes blood to and from tissues of the heart.

1, Systemic circulation; coronary circulation
2. Pulmonary circulation; coronary circulation
3. Coronary circulation; systemic circulation
4. Systemic circulation; pulmonary circulation

Answer 1

Pulmonary refers to the lungs whilst coronary means that the blood vessels are in the heart. For example the pulmonary artery goes from the heart (right ventricle) to the lungs whilst the coronary arteries lead from the aorta (the big vessel joined to the left ventricle) to the heart tissue.