15 Questions
What is the basic building block of a skeletal muscle structure?
Muscle cell
What is the function of myoglobin in skeletal muscles?
To bind to oxygen for local use during high muscle activity
What type of muscles are responsible for actions such as swallowing, urination, and defecation?
Skeletal muscles
What is the role of postural skeletal muscles in the body?
To provide support to the skeleton and organs
What is the characteristic that enables skeletal muscles to resist the forces of gravity?
Support
What is the primary function of shivering in extremely cold conditions?
To maintain a constant body temperature
What is unique about the structure of skeletal muscle cells?
They are long, cylindrical, and multi-nucleated
What is the primary energy source for nerve cells?
Glucose
What is the characteristic appearance of skeletal muscle fibers under a microscope?
Striated with red and white lines
What is the term for the breakdown of muscle tissue, leading to muscle weakness?
Muscular dystrophy
Where are skeletal muscles typically found in the body?
Attached to bones
What type of movements do skeletal muscles facilitate?
Voluntary movements of the skeleton
What is the approximate number of skeletal muscles found in the human body?
600-900
What type of tissue connects skeletal muscles to bones?
Tendons
What is an example of a skeletal muscle?
Biceps brachii
Learn about skeletal muscle, one of the three types of muscles found in the body. This quiz covers the definition, characteristics, and functions of skeletal muscles, as well as how they differ from cardiac and smooth muscles.
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