Human Circulatory System

Tricuspid valve is present between

• Left atrium and Left ventricle

• Right atrium and Right ventricle

• Left atrium and Right atrium

• Right ventricle and Left ventricle

Blood is poured into the right atrium through

• vena cava

• Pulmonary vein

• aorta

• Pulmonary artery

Bicuspid valve and tricuspid valves are closed during

• Ventricular systole

• Ventricular diastole

• Atrial systole

• Late joint diastole

Left atrium receives oxygenated blood through

• Coronary artery

• Aorta

• Pulmonary artery

• Pulmonary vein

Which of the following has the thickest wall?

• Right ventricle

• Left ventricle

• Right auricle

• Left auricle

Which of the following carries deoxygenated blood?

• pulmonary vein

• pulmonary artery

• aorta

• coronary artery

What is the largest artery in the human body called?

• Superior Vena Cava
• Aorta
• Inferior Vena Cava
• Pulmonary Artery

The upper chambers of the heart are known as...

• valves
• ventricles
• atria
• septum

To pump and circulate blood is the work of which organ?

• lungs
• liver
• pancreas
• heart

How many valves are in the heart?

• 3
• 4
• 5
• 6