JAMB Biology Past Questions & Answers - Page 399

Which one of the following parts of the mammalian body is most closely associated with the production of urine? 

The conversion of excess amino acids into urea occurs in the 

The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the

Human beings require vitamins in their diet because vitamins

Some of the features of an animal are scales, teeth, nares and backbone. The animal is likely to be a