What is urea?
A. the tube that connects the kidney to the bladder
B. the tube through which waste leaves the body
C. the waste removed by the kidney
D. a structure in the kidney
1 answer
C. the waste removed by the kidney
A. the tube that connects the kidney to the bladder
B. the tube through which waste leaves the body
C. the waste removed by the kidney
D. a structure in the kidney
1 answer
1 answer
1 answer
1 answer
2 answers