Why the transplanted heart beats at a higher rate than normals?

Which body radiates heat energy at higher rate? Hotter or cooler.

The first ionization enthalpies of alkaline earth metals are higher than corresponding alkali metals due to their _______.

Why does the rate of photosynthesis decrease at higher temperatures?

When an aeroplane attains a speed higher than the velocity of sound in air, a loud bang is heard. This is because

Define heart transplant.

Centers of respiration and heart beat are present in

How is it that the intracellular levels of K^+ are higher than extracellular levels in animal cells?

During day light hours, the rate of photosynthesis in higher than that of respiration and the ration of O_2 produced to consumed is

Why some people feel breathless as they climb higher and higher on a mountain.

Why is it the refracted ray bends towards the normal, and while entering from denser to rarer it bends away from the normal.