Match each item with the appropriate term.

1. Semilunar valves
2. Pancreas, spleen, digestive organs
3. Ligamentum arteriosum
4. Blood vessel diameter
5. Auscultation
6. Ductus arteriosus
7. Hepatic portal vein
8. "Dup"
9. Tunica media
10. Korotkoff sounds

A. "Dup"
B. Ductus arteriosus
C. Hepatic portal vein
D. Pancreas, spleen, digestive organs
E. Ligamentum arteriosum
F. Blood vessel diameter
G. Tunica media
H. Korotkoff sounds
I. Auscultation
J. Semilunar valves



Answer :

Final answer:

Semilunar valves prevent backflow in the heart; Ligamentum arteriosum connect aorta and pulmonary trunk; Blood vessel diameter affects blood pressure regulation.


Explanation:

Semilunar valves are positioned at the base of the aorta and pulmonary arteries; they prevent backflow of blood into the heart. Ligamentum arteriosum connects the pulmonary trunk to the aorta. Blood vessel diameter impacts blood pressure regulation through vasoconstriction and vasodilation.


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