
★ Circulation and Excretion Quiz
Urea is a product of the breakdown of proteins and nucleic acids. Where is it produced in the body?
A. liver
B. kidney
C. lung
Topics:
Hematology Lab Values Heredity Pediatrics Organization of Systems Cardiovascular and Respiratory Health and Hygiene Diabetes The Musculoskeletal System Teeth and Microbes Properties of The Hair and Scalp Life Processes Nervous & Endocrine Systems Common Diseases in Human Beings Warm up Diseases of The Nervous SystemOther quiz: Brain
What part of the eye sits on the outer surface of the cornea and lines the eyelids. This structure produces mucous
A. iris
B. lens
C. retina
D. conjunctiva