Alkalaemia is defined as:

The breakdown product of haemoglobin is

Which organ in an adult human causes the least damage if removed?

The organ that acts as a filter for blood is:

Compare the statements $A$ and $B$.
$Statement A$: Blood sugar level falls rapidly after hepatectomy.
$Statement B$: The glycogen of the liver is the principle source of blood sugar.
Select the correct description:

In connection with the circulatory system,where are valves present?