Answer:
ok so raio is the one becuase that help waves or what ever your doing crrect
Explanation

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the Peritubular Capillary network
This network is formed by the Efferent artiole to absorb the non waste martial which is flown out in the ultrafiltration of Glomerular capsule .
The walls of the cell membrane is what strengthens it
The doctor is responsible for all of the above.
10
3 + 7 = 10
check: 10 - 3 = 7