The human Heart

“Heart of heart” is ________

• SA node

• AV node

• Bundle of HIS

• Purkinji fibers

Which of the following has the thickest wall in the heart

• Right ventricle

• Left ventricle

• Right atrium

• Left atrium

Pacemaker is __________

• SA node

• AV node

• Bundle of HIS

• Purkinji fibers

SA node is located in _____

• upper lateral wall of right atrium

• lower lateral wall of left atrium

• lower lateral wall of right atrium

• upper lateral wall of left atrium

“Bundle of HIS” is made up of _________

• nervous tissue supplied to ventricles

• nervous tissue supplied to heart

• muscular tissue supplied to heart

• muscular tissue supplied to ventricles

Name this part.

• Right atrium
• Left ventricle
• Right ventricle
• Left atrium

Name this part.

• Left ventricle
• Pulmonary artery
• Right atrium
• Pulmonary veins

Name this part.

• Right ventricle
• Aorta
• Right atrium
• Atrium

Name this part.

• Right ventricle
• Pulmonary artery
• Left ventricle
• Right atrium

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

• Right
• Left