Muscular system
What is the primary function of the muscular system?
To produce movement
What type of muscle is responsible for involuntary actions such as digestion?
Smooth muscle
Which of the following connects muscles to bones?
Tendons
What is the primary component of muscle fibers?
Actin and myosin
Which type of muscle is found only in the heart?
Cardiac muscle
Which of the following is a voluntary muscle?
Skeletal muscle
What is the term for a muscle that straightens a joint?
Extensor
What is the largest muscle in the human body?
Gluteus maximus
What supplies the energy required for muscle contraction?
ATP (adenosine triphosphate)
What is the name of the contractile unit of a muscle fiber?
Sarcomere