★ Vitamins Quiz
Which vitamin can be manufactured by skin exposure to the sun?
A. Thiamin
B. Vitamin K
C. Vitamin D
Select your answer:
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Physiology Pathology › ViewThe mechanism of movement of ions through membrane against the concentration gradient with energy consumption is called
A. Passive Transport
B. Pinocytosis
C. Endocytosis
D. Active Transport
Nervous System › View
Which organ takes information to and from your brain?
A. Voluntary Muscles
B. Involuntary Muscles
C. Spinal Cord
D. Vertebrae