Answer:
It's B
Explanation:
<u><em>RIGHT ON EDG!!!!!</em></u>
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.
Crystal meth is used as a weight loss drug
For a family of four, a first aid kit would include scissors. A multi-purpose tool would come handy, but is not necessary. Rubbing alcohol is out of the ordinary, and barbiturates are a type of drug unneeded in a first aid kit.