Which of the following statements regarding the human heart is incorrect?

The given figure shows the schematic plan of blood circulation in humans with labels A to D. identif

In the given figure of the heart, which f the marked structures (1, 2, 3, 4, 5) carry oxygenated blo

Identify the given figure and select the correct option.

Congestion of the lungs is one of the main symptoms in:

Sudden damage of heart muscle due to inadequate blood supply is called: