12 Questions
Which of the following components is NOT part of the closed circulatory system in humans?
Sinuses
In the closed circulatory system of humans, which component acts as a fluid with cells and other dissolved substances?
Blood
Which type of circulatory system allows blood to flow through open tissue spaces called Sinuses?
Open circulatory system
What is the main difference between an open circulatory system and a closed circulatory system?
Blood within closed tubular vessels in closed system
Where does the aortic arch continue downwards as, distributing blood to regions below the heart?
Dorsal aorta
Which vein brings deoxygenated blood from the lower body to the right atrium of the heart?
Femoral vein
Who was the first Arab Physician to explain pulmonary circulation?
Ibn-al-Nafees
Which English Physician explained systemic circulation in detail?
William Harvey
What is the function of the systemic circuit in the human circulatory system?
Circulating oxygenated blood from the left ventricle to all organs of the body
Which artery is responsible for supplying blood to the liver?
Hepatic artery
What initiates the heartbeat in humans?
Electrical signal causing atrial contraction
Which chamber of the heart forces oxygenated blood into the systemic aorta?
Left ventricle
Learn about the two types of blood circulatory systems found in animals: open circulatory system and closed circulatory system. Understand how blood flows in each system and the differences between them.
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