Circulatory System Quizzes, Questions & Answers

Recent Quizzes

The heart is the most important organ in the human body as if it is unable to pump air someone’s life will either be cut short or become extremely difficult to maintain. The quiz below is on the heart and circulatory...

Questions: 25 | Attempts: 7588 | Last updated: May 23, 2024

Sample Question
What is the main artery of the body?

Pulmonary vein

Aorta

Vena Cava

Pulmonary arch

Functions Of Circulatory System

Functions of Circulatory System

This is a quiz over the heart, arteries and veins in the circulatory system of the dogfsh shark.

Questions: 39 | Attempts: 397 | Last updated: Mar 3, 2023

Sample Question
What is the function of the sinus venosus?

Forces blood from ventricle to the ventral aorta and then to the gills

Provide blood from the body back to the cardinal sinus

Receives unoxygenated blood from the body

Receives unoxygenated blood and pumps it into the ventricle

None of the above

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