Which of these is the correct order through which oxygen enters the body?

a. lungs, bronchi, bronchioles, alveoli, blood

b. bronchi, lungs, bronchioles, alveoli, blood

c. lungs, bronchi, bronchioles, blood, alveoli

d. blood, alveoli, lungs, bronchi, bronchioles

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.