The benefit of the circuit of fetal blood course through the ductus arteriosus is the ductus arteriosus will permit more blood to go to the placenta and sidestep the lungs (since there is no blood required there yet). I hope the answer will help you.
Sorry but I cannot be of assistance XD
Answer:
my opinion is to change the world
Answer:
<em><u>B. Tell it like it is.</u></em>
Explanation:
