Question

why does deoxygenated blood of the right side of the heart not mixes with the oxygenated blood of the left side of the heart?​

Answer 1

Explanation:

deoxygenated blood of the right side of the heart not mixes with the oxygenated blood of the left side of the heart . Because there is no PDA present, in other word we can say { there is a wall present between the both sides }

hope it's helpful

Answer 2

Answer:

only blood with oxygen can benifit the cells of the body large growing organisims can not tolerate this mixing because they need more uniform and efficient supply of oxygen for respiration and growth  

Explanation:

also blood must transport carbon dioxide to the lungs to release out mixing can lead to inefficiency of this task and can lead to collapse