During hemodialysis, blood is mechanically pumped through an artificial kidney machine where it is filtered and then returned to the body.
Hemodialysis has a patient’s blood pass through a length of tubing that travels through an artificial kidney machine.
a length of tubing<>travels<>$$$Hemodialysis<>has<>a patient's blood pass through a length of tubing$$$a patient's blood<>pass<>through a length of tubing