Muscular System Review

What does the muscular system consist of?

• Bones and ligaments

• Nerves and neurons

• Muscles and muscle tissues

• Skin and hair

Which of the following is a function of the muscular system?

• Producing hormones

• Facilitating mobility

• Digesting food

• Filtering blood

How does the muscular system help in the cardiovascular system?

• By generating heat

• By stabilizing joints

• By facilitating the movement of blood

• By maintaining posture

Which function is NOT performed by the muscular system?

• Generating heat

• Protecting internal organs

• Producing red blood cells

• Stabilizing joints

What is the ability of muscle tissue to respond to a stimulus called?

• Contractility

• Extensibility

• Excitability

• Elasticity

Which property of muscle tissue refers to its ability to shorten and generate a pulling force?

• Elasticity

• Contractility

• Extensibility

• Excitability

What does extensibility in muscle tissue refer to?

• Ability to respond to stimulus

• Ability to be stretched

• Ability to bounce back after being stretched

• Ability to shorten to generate a pulling force

Which property of muscle tissue allows it to bounce back after being stretched?

• Extensibility

• Contractility

• Elasticity

• Excitability

What are muscle cells also known as?

• Myocytes

• Neurons

• Osteocytes

• Erythrocytes

Which proteins are most notably responsible for muscle contraction?

• Actin and myosin

• Keratin and collagen

• Hemoglobin and insulin

• Elastin and fibrin