Muscular System Quiz

What percentage of heat produced in the body is the result of muscle contraction?

• 50%

• 60%

• 75%

• 85%

Which muscle is an example of a tiny skeletal muscle?

• Biceps

• Stapedius

• Quadriceps

• Deltoid

What is the function of tendons in muscle structure?

• They produce heat

• They connect muscles to bones

• They store energy

• They increase muscle size

What is the connective tissue surrounding each individual muscle fiber?

• Epimysium

• Perimysium

• Endomysium

• Fascia

What do the connective tissue coverings provide for the muscle cells?

• Energy

• Support and protection

• Nutrients

• Hormones

Which muscle type is under voluntary control?

• Smooth muscle

• Cardiac muscle

• Skeletal muscle

• Involuntary muscle

What is the shape of a cardiac muscle cell?

• Spindle-shaped

• Rectangular

• Circular

• Triangular

Which muscle type is found in the walls of the heart?

• Smooth muscle

• Cardiac muscle

• Skeletal muscle

• Voluntary muscle

Which two muscles are identified as the strongest in the body?

• Frontalis and Buccinator

• Temporalis and Masseter

• Orbicularis oculi and Orbicularis oris

• Sternocleidomastoid and Trapezius

What is the role of the diaphragm in the body?

• It supports the spine

• It forms a partition between the thorax and the abdomen

• It protects the heart

• It connects the ribs