Answer:
Oxygen and carbon dioxide flow through the blood in the placenta. Most of it goes to the heart and flows through the baby's body. At birth, the baby's lungs are filled with fluid. ... Increased oxygen in the lungs causes a decrease in blood flow resistance to the lungs.
They use their skin to do gas exchange
Answer:
a person with 2 ppl inside them
Explanation:
Antibiotics are usually what can help. Depends what kind of infection you get and how severe it is.
Obtaining mRNA from the cell, then using reverse transcriptase enzyme to convert it into a stable cDNA (or copy of DNA) molecule for insertion into the bacterial cell.
I hope this helps!