Which of the following is correct regarding expiration?
 diaphragm relaxes, volume increases, pressure decreases and air moves into the
 lungs
 diaphragm relaxes, volume decreases pressure increases and air moves out of
 the lungs
 diaphragm relaxes, volume decreases, pressure decreases and air moves out of
 the lungs
 diaphragm relaxes, volume decreases, pressure decreases and air moves into the
 lungs
 sley
 diaphragm relaxes, volume increases, pressure increases and air moves into the
 lungs
 diaphragm relaxes, volume increases, pressure decreases and air moves out of
 the lungs