DNA replication results to the formation of 2 daughter DNA molecules and this replication is called Semi conservative replication of DNA the 2 strands of a parent cell uncoil and each one synthesizes a new strand of DNA and then the daughter DNA separate from the parent and thus forming 2 DNA molecules hope this helps
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.
