Understanding the Heart (R)'s Structure

What are the upper chambers of the heart called?

• Ventricles

• Atria

• Valves

• Septum

How many chambers does the human heart have?

• 2

• 3

• 4

• 5

Which valve is located between the left atrium and the left ventricle?

• Tricuspid valve

• Mitral valve

• Pulmonary valve

• Aortic valve

What is the main function of heart valves?

• To pump blood

• To prevent backflow of blood

• To oxygenate blood

• To filter blood

Which chamber of the heart receives oxygen-poor blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the correct order of blood flow through the heart starting from the body?

• Right atrium, right ventricle, lungs, left atrium, left ventricle

• Left atrium, left ventricle, lungs, right atrium, right ventricle

• Right ventricle, right atrium, lungs, left ventricle, left atrium

• Left ventricle, left atrium, lungs, right ventricle, right atrium

Which valve prevents blood from flowing back into the right ventricle?

• Aortic valve

• Pulmonary valve

• Mitral valve

• Tricuspid valve

Where does the blood go after it leaves the left ventricle?

• Lungs

• Right atrium

• Aorta

• Left atrium

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

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

What is the role of the tricuspid valve?

• To prevent backflow into the left atrium

• To prevent backflow into the right atrium

• To prevent backflow into the left ventricle

• To prevent backflow into the right ventricle