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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.
Provide individualized physical education instruction or services to children, youth, or adults with exceptional physical needs due to gross motor developmental delays or other impairments.
TLDR: they work with people who have developmental issues one on one
