Which of the following functions involves a process to follow up on overdue accounts?

Patients in wheelchairs should exit elevators:

a. backwards, to keep the door open longer. b. backwards, as there is not room to turn around in most elevators. c. forwards, to be able to see that the environment is clear. d. forwards, to be like normal people.

In what part of the kidney is waste filtered from the blood?

A) Loop of Henle B) Islets of Langerhans C) Renal corpuscle D) Renal calyx