Human Body

Which is an example of muscles moving a bone?

• Amy’s eyes move quickly to see a cat cross the yard.
• Andrea’s stomach squeezes to break up food.
• Alex’s heart pumps blood through his body.
• Armand’s jaw moves to chew a carrot.

Which organ is made mostly of muscle?

• Heart
• Lung
• Ear
• Brain

Which best describes the function of muscles?

• to show how strong you are
• to protect the internal organs
• to make bones move
• to connect bones to each other

What makes up most of a human skeleton?

• Muscle
• Bone
• Skin
• Blood

What best describes skin?

• Stiff
• Flexible
• Brittle
• Hard

Which body system protects the brain from getting bumped?

• the circulatory system
• the nervous system
• the skeletal system
• the digestive system

Make a prediction.  Which is the following organisms has a skeletal system most like yours?

• Pillbug
• Butterfly
• Snail
• Dog

What is the body’s first layer of defense against germs?

• Liver
• Stomach
• Brain
• Skin

Which group of bones help us stand straight and tall?

• Backbone (spine)
• Skull
• Fingers
• Ribs

What is the largest organ in the human body?

• Stomach
• Brain
• Skin
• Liver