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Circulation Pathways in the Human Body Quiz

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Which blood vessel carries oxygen-rich blood from the lungs to the heart?

Pulmonary vein

Explanation

Oxygenated blood from lungs to heart.

In which chamber of the heart does oxygenated blood first enter?

Left atrium

Explanation

Oxygenated blood enters left atrium.

Which blood vessel carries oxygenated blood away from the heart to the rest of the body?

Aorta

Explanation

Aorta carries oxygenated blood.

Which of the following is not a component of the systemic circulation system?

Pulmonary artery

Explanation

Pulmonary artery is not part of systemic circulation.

What is the main function of the lymphatic system in relation to circulation?

To remove excess fluids from tissues

Explanation

Lymphatic system removes excess fluids from tissues.

Which chamber of the heart pumps oxygen-rich blood to the rest of the body?

Left ventricle

Explanation

Left ventricle pumps oxygen-rich blood.

Where does the exchange of oxygen and carbon dioxide occur in the circulatory system?

Lungs

Explanation

Gas exchange occurs in lungs.

Which of the following is a major artery that carries oxygenated blood to the brain?

Carotid artery

Explanation

Carotid artery supplies brain with oxygenated blood.

What is the function of the coronary arteries?

To supply oxygenated blood to the heart muscle

Explanation

Coronary arteries supply heart muscle with oxygenated blood.

#10

Which of the following vessels is responsible for carrying deoxygenated blood from the lower body back to the heart?

Inferior vena cava

Explanation

Inferior vena cava carries deoxygenated blood from lower body.

#11

In which phase of the cardiac cycle does the heart relax and fill with blood?

Ventricular diastole

Explanation

Heart relaxes and fills with blood in ventricular diastole.

#12

Where is the sinoatrial (SA) node located?

In the right atrium

Explanation

SA node is in the right atrium.

#13

Which valve separates the right atrium from the right ventricle?

Tricuspid valve

Explanation

Tricuspid valve separates right atrium and right ventricle.

#14

What is the term for the small blood vessels that connect arteries to veins?

Capillaries

Explanation

Capillaries connect arteries to veins.

#15

What is the name of the largest artery in the human body?

Aorta

Explanation

Aorta is the largest artery.

#16

What is the term for the process of blood cell formation, especially in the bone marrow?

Hematopoiesis

Explanation

Blood cell formation, especially in bone marrow, is hematopoiesis.

#17

Which of the following is not a function of blood in the human body?

Production of bile

Explanation

Blood doesn't produce bile.

Circulation Pathways in the Human Body Quiz

Which blood vessel carries oxygen-rich blood from the lungs to the heart?

In which chamber of the heart does oxygenated blood first enter?

Which blood vessel carries oxygenated blood away from the heart to the rest of the body?

Which of the following is not a component of the systemic circulation system?

What is the main function of the lymphatic system in relation to circulation?

Which chamber of the heart pumps oxygen-rich blood to the rest of the body?

Where does the exchange of oxygen and carbon dioxide occur in the circulatory system?

Which of the following is a major artery that carries oxygenated blood to the brain?

What is the function of the coronary arteries?

Which of the following vessels is responsible for carrying deoxygenated blood from the lower body back to the heart?

In which phase of the cardiac cycle does the heart relax and fill with blood?

Where is the sinoatrial (SA) node located?

Which valve separates the right atrium from the right ventricle?

What is the term for the small blood vessels that connect arteries to veins?

What is the name of the largest artery in the human body?

What is the term for the process of blood cell formation, especially in the bone marrow?

Which of the following is not a function of blood in the human body?

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