★ Circulation and Excretion Quiz
Ammonia is the most toxic nitrogenous waste. Organisms that produce this must have access to lots of
A. oxygen
B. proteins
C. dry air
D. water
Select your answer:
Topics:
Genes and Cells All About Bacteria Speed, Flexibility part of Components of Physical Fitness Arteries Immunity & Cancer Food and Nutrition Brain Skin Appendages Disease, Illness and Sickness Nutrition Lipid Forensic Pathology (Autopsy) Assessment Muscular Malaria Health Balanced DietOther quiz:
Eye Physiology › ViewLight waves are bent first by the ______.
A. cornea
B. aqueous humor
C. lens
D. vitreous humor
Dental Caries › View
True or false; is the bone stronger than the enamel?
A. yes
B. no