Universe, galaxy, solar system, star, planet, moon
Answer:
3 5 4 2 1 i hope this helps you
Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs.

Similar to those performed by the cell organelles in group b