Topics: Life Processes Quiz
The main nitrogen-containing waste excreted in urine by humans is
A. AMMONIA
B. UREA
C. URIC ACID
D. NUCLEOTIDE
Select your answer:

Topics:
Asexual Reproduction Health and The Environment Tissues Vet Science Terms Properties of The Hair and Scalp Histology - Tissues Cardiovascular Diseases Forensics Terms Anatomy - Cellular Respiration Cell and Muscle Histology Microbial Growth Blood Gaseous Exchange in Humans Name that Pathogen Ortho Ward Simulation Laparoscopic SurgeryOther quiz:
Body Systems › ViewWhich system detects, processes and sends electrical signals?
A. Digestive
B. Integumentary
C. Nervous
D. Endocrine
Eye Physiology › View
The fovea contains which types of photoreceptors?
A. Rods
B. Cones