Select your answer:

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DNA Pollution Body Structures and Organ Systems Pathology Introduction Cell Injury Human Brain Obstructive Lung Disease Psoriasis Sexual Reproduction Genetics Cells, Tissues and Organs Components of Physical Fitness Gastroenterology Life Cycle - Bee Human Circulatory System Heterotrophic NutritionOther quiz:
Organisms › ViewWhat are the two main groups of invertebrates?
A. Arthropods and Mollusks
B. Plants and Fungi
C. Birds and Amphibians
D. Fish and Reptiles
Physical Therapy and Rehabilitation › View
Which assistive device is the most stable according to the text?
A. Parallel bars
B. Cane
C. Walker
D. Crutches