★ Circulatory System and Nutrition Quiz
Identify the structure pointed by the arrow
A. Left atrium
B. Right atrium
C. Left ventricle
D. Right ventricle
Select your answer:

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Integumentary System Medical Terminology › ViewWhere does our skin get the Vitamin D it produces?
A. Skin
B. Sunlight
C. Bones
D. Food
Respiratory System › View
Label B is…
A. Trachea
B. Diagphragm
C. Bronchus
D. Alveolus