5 Questions
Which chamber of the heart receives deoxygenated blood from the whole body?
Right atrium
Which chamber of the heart pumps out oxygenated blood to the whole body through aorta?
Left ventricle
Which part of the heart is responsible for receiving oxygenated blood from the lungs through pulmonary veins?
Left atrium
Which part of the heart pumps out deoxygenated blood to the lungs through pulmonary arteries for gaseous exchange?
Right ventricle
Which part of the heart is responsible for initiating the heart beat?
Pacemaker or Sinoatrial (SA) node
Test your knowledge of the mammalian heart and its regulation with this quiz covering topics such as the initiation of heart beat, cardiac cycle, ECG components (P wave, QRS complex, T wave), and factors affecting heart beat like pH and temperature.
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