Lungs are the primary organs of _________.
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Pancreatic juice require which medium for their action?
What does Trypsin do?
A pair of contrasting characters controlling the same trait is called
Contraction of heart is also known as
____ tissue changes the diameter of a blood vessel.
Acacia arabica is the scientific name of
In which of the following tissues are the cells living, elongated and irregularly thickened at the corners?