25 Questions
What is one of the primary functions of the muscular system?
Maintenance of posture
Which of the following is NOT a function of the muscular system?
Blood filtration
What is the term for the production of body heat?
Thermogenesis
Which muscle contractions are involved in respiration?
Diaphragm and intercostal contractions
What is the term for the constriction of blood vessels?
Vasoconstriction
What percentage of body weight does skeletal muscle make up?
40%
What type of muscle is responsible for propelling urine?
Smooth muscle
What type of neurons control skeletal muscle?
Somatic motor neurons
What is the main function of cardiac muscle?
Moving blood through the body
What type of muscle is autochhythmic?
Cardiac muscle
What is the ability of a muscle to respond to a stimulus?
Excitability
What is the ability of a muscle to shorten and generate pulling force?
Contractility
What is the ability of a muscle to recoil to its original resting length after being stretched?
Elasticity
What is the ability of a muscle to be stretched back to its original length?
Extensibility
Which of the following is NOT a property of muscle?
Conductivity
Which type of connective tissue surrounds individual muscle fibers?
Loose connective tissue
What is the function of the perimysium?
Containing blood vessels and nerves
What is the purpose of the epimysium?
To separate muscle from surrounding tissues and organs
What forms at the end of a muscle where the collagen fibers of all three layers come together?
A tendon
What type of cells are found in the endomysium and have a function in muscle repair?
Satellite cells
How do muscles attach to their origins and insertions?
Through connective tissue
What is the characteristic of fleshy attachments?
Connective tissue fibers are short
What is the term for a type of indirect attachment where connective tissue forms a flat, broad sheet?
Aponeurosis
What is the primary function of connective tissue in muscle attachments?
To provide structural support
What is the term for a type of indirect attachment where connective tissue forms a cord-like structure?
Tendon
Test your knowledge of the muscular system and its various functions in the human body, including movement, posture, respiration, and more.
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