The Amount of Iron in the Body Is Mostly Regulated

question 87

Multiple Choice

The amount of iron in the body is mostly regulated by

• A) excretion in the urine.
• B) absorption in the small intestine.
• C) synthesis in the skin.
• D) metabolism in the liver.

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Definitions:

Limbic System

A complex system of nerves and networks in the brain, involved in instinct and mood control, as well as the processing of emotions and memories.

Somatic Nervous System

A part of the peripheral nervous system that consists of nerve fibers that send sensory information to the central nervous system and motor nerve fibers that project to skeletal muscle.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which processes and sends out neural information.

Involuntary Reflexes

Automatic, unconscious body responses to certain stimuli that do not involve the brain's direct command.