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Multiple Choice
What is the primary function of the muscular system in the human body?
A
To store and release hormones
B
To filter and purify blood
C
To produce movement and maintain posture
D
To transmit electrical signals throughout the body
Verified step by step guidance
1
Identify the main components of the muscular system, which include skeletal muscles, smooth muscles, and cardiac muscles.
Understand that the primary function of the muscular system is related to movement. Skeletal muscles are responsible for voluntary movements and maintaining posture.
Recognize that smooth muscles are involved in involuntary movements, such as those in the digestive tract, and cardiac muscles are responsible for the contraction of the heart.
Differentiate the muscular system's function from other systems: it does not store and release hormones (endocrine system), filter and purify blood (urinary system), or transmit electrical signals (nervous system).
Conclude that the primary function of the muscular system is to produce movement and maintain posture, as it directly involves muscle contraction and coordination.