Ozone layer protects us from the harmful UV rays. This is present in the stratosphere.
The lyre Bird prtoects itself by drawing its head back and shifting to the ground more, which scares the predator sometimes or the predator doesnt give, and kills the animal!
Pericarditis is the inflammation of the pericardium, a two-layer membrane which is the sac surrounding the heart.paracarduim inflamation is inflamation of the paracarduim which is a thin membranic sac that surrounds and prtoects the heart.