★ Human Excretory System Quiz
Under normal conditions, which of the following substances is found in urine?
A. blood cells
B. protein
C. glucose
D. urea
Select your answer:
Topics:
Vaccines Biotherapeutics & Cellular Meat Heart and Blood Vessels Inhalation Injury Types of Reproduction RDA Dental Caries Absorption, Lymphatic System, and Blood Vessels Eye Gene Expression Non-infectious Disease Environmental Biotechnology Fitness The Nervous System Conjunctivita Cell Theory & Melanoma Respiration in OrganismsOther quiz:
Macromolecules › ViewEnzymes and catalysts are
A. always used up
B. hard to replace
C. are reusable
Organ Systems › View
Major organs of the nervous system
A. Kidneys, nephrons
B. Stomach, intestines, mouth
C. Heart, blood vessels, blood
D. Brain, spinal cord, nerve