Which of the following is NOT a function of the kidneys?
a. maintenance of acid-base balance of the blood
b. maintenance of plasma osmolarity
c. exchange of oxygen and carbon dioxide with the tissues
d. maintenance of electrolyte balance in the body

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates