★ Excretory System Quiz
The main nitrogen-containing waste excreted in urine of aves is
A. ammonia
B. uric acid
C. nucleotides
D. urea
Select your answer:
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Diseases Key Terms Physical Education DNA and Genetic Manipulation Hospitality Body Fluids and Blood Cells Types of Doctors Obstructive Lung Disease Bacteria & Disease The Vascular System and Blood Flow Bones and Muscles Components of Physical Fitness Cells Nasal Polyp Proteins, Amino Acids, & Enzymes Muscle AnatomyOther quiz:
Joints in our Body › ViewStudy of joints is called
A. Archeology
B. Arthrology
C. Anthropology
D. Dermatology
Excretion in Humans › View
Urine is released and flows into the bladder through the ________.
A. ureter
B. urethra