Functions of the Skeletal System

What is one of the functions of the skeletal system?

• Protection of the brain and lungs

• Digestion of food

• Circulation of blood

• Production of hormones

What does bone marrow produce?

• Red and white blood cells

• Digestive enzymes

• Hormones

• Nerve cells

How do muscles and bones work together to produce movement?

• Muscles contract and pull on bones, acting as a lever

• Muscles push bones to create movement

• Bones expand to move muscles

• Muscles and bones do not interact

What system works directly with the muscular system and connects muscles and bones with ligaments and tendons?

• Nervous system

• Circulatory system

• Skeletal system

• Digestive system

Which type of joint allows for movement in multiple directions and is found in the hip and shoulder?

• Hinge joint

• Ball and socket joint

• Pivot joint

• Saddle joint

What type of joint allows for forward and backward movement and is found in the knee and elbow?

• Ball and socket joint

• Hinge joint

• Gliding joint

• Fixed joint

Where are smooth muscles found, and what is their function?

• In the heart; they pump blood

• In the walls of internal organs; they function involuntarily

• In the skeletal system; they support movement

• In the skin; they regulate temperature

Which type of muscle works with the skeletal system and is voluntary?

• Cardiac Muscle

• Skeletal Muscle

• Smooth Muscle

• Involuntary Muscle

Where is cardiac muscle found?

• In the arms

• In the legs

• In the heart

• In the stomach

What happens when one skeletal muscle contracts?

• The same muscle contracts again

• The muscle stays contracted

• The other muscle relaxes

• The muscle disappears