Skeletal and muscular system

What is the primary purpose of the rib cage according to the study guide?

• To protect the heart and lungs

• To support arm movement

• To aid in digestion

• To produce blood cells

How many bones are there in an adult human skeleton?

• 206

• 305

• 150

• 250

What type of joint is located at the shoulder?

• Hinge Joint

• Fixed Joint

• Ball & Socket Joint

• Pivot Joint

Which type of muscle can be controlled voluntarily?

• Cardiac muscle

• Smooth muscle

• Skeletal muscle

• Involuntary muscle

What is the function of smooth muscles?

• To move bones

• To pump blood

• To control blinking, digesting food, and breathing

• To protect internal organs

Which of the following is a characteristic of skeletal muscles?

• They are involuntary

• They are found in the heart

• They are controlled voluntarily

• They cannot move bones

What is unique about cardiac muscle cells?

• They are under voluntary control

• They are identical to skeletal muscle cells

• They function differently than skeletal muscles by being voluntary

• They function differently than skeletal muscles by being involuntary

What is the primary function of the nervous system?

• To circulate blood throughout the body

• To digest food

• To control and communicate information throughout the body

• To support the body and give it shape

What is the main role of the respiratory system?

• To remove waste from the body

• To produce hormones

• To transport oxygen to the cells and remove carbon dioxide

• To break down food into nutrients