Organ system is the answer according to me if it is one word question
Answer:
Do a UTI Test ASAP...
Explanation:
According to the presented conditions, if the morbidly obese patient is in post operation recovery and the knee surgery is operated about two days ago then there is a high probability of a possible UTI infection. I'll take a immediate urine sample and send it to the lab for the proper reports.
Answer is D.
Waste products from metabolism are carried by the circulation to the kidneys, which filter them out if the blood to be excreted in urine.