★ Respiratory and Circulatory Quiz
Found in the heart and veins and prevents blood from flowing backwards.
A. valves
B. arteries
C. capillaries
D. marrow
Select your answer:
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Genetic Diseases Therapeutic Services Roots Psychiatry Cell Cycle Problems Brain First Aid Check up Parathyroid Gland Bone Shapes & Long Bone Anatomy Diagnostic Tools Nutritional Trivia Acute Responses to Exercise Meiosis and intro to Genetics What is Psychology? Proteins PsychologyOther quiz:
Biodiversity › ViewThe shape for this bacteria is called ………….
A. spiral
B. bacillus
C. coccus
D. vibrio
Nervous System › View
The human body has ____ pairs of spinal nerves.
A. 12
B. 24
C. 31
D. 64