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Injuries in Archery Sensory Disorder Safety and First Aid Forensic Pathology The Cell Cycle ICU Biology Assessment SCI CH2-1 Tissue Repair Pathology Major Internal Organs of the Body Ear/Eye Medical Terms Oxygenation Vessels Medical Suffixes Gaseous Exchange in Humans

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Psychology › View

As sunlight decreases in the fall, the amount of serotonin released _________ and the amount of melatonin ________.

A. randomly fluctuates; decreases

B. randomly fluctuates; increases

C. decreases; increases

D. increases; decreases

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Musculoskeletal System › View

How many muscles do humans approximately have?

A. 450 muscles

B. 1000 muscles

C. 630 muscles

D. 800 muscles

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