The Human Body

What is the main function of the skeletal system?

• Pump blood

• Give shape and support

• Digest food

Which bone protects the brain?

• Cranium

• Femur

• Humerus

What connects two bones and allows movement?

• Joint

• Muscle

• Nerve

What do bones store in the body?

• Sugar

• Minerals like calcium

• Oxygen

Which system allows us to move by working with bones?

• Circulatory system

• Muscular system

• Respiratory system

What can muscles do to help us move?

• Contract and relax

• Expand and explode

• Evaporate and reform

Which type of muscle is found in the heart?

• Smooth muscle

• Cardiac muscle

• Skeletal muscle

What does the respiratory system help us do?

• Break down food

• Breathe

• Pump blood

What gas do we breathe in that our cells need?

• Carbon dioxide

• Oxygen

• Nitrogen

What are alveoli?

• Bones in the arms

• Tiny air sacs in the lungs

• Muscles near the stomach