Human Body review

What best describes skin?

• stiff

• flexible

• brittle

• hard

Nick is making a model to show how human skin covers the body. What material would work best?

• a sheet of rubber

• a sheet of paper

• a sheet of metal

• a sheet of wood

Bones support the body. What pulls and pushes on bones to move them?

• blood

• nerves

• muscles

• skin

Which organ is made of cardiac muscle?

• heart

• lung

• ear

• brain

Tags

NGSS.MS-LS1-3

The list shows some jobs of an organ in the body. What organ in the body has these jobs?

• skin

• eye

• blood

• brain

Tags

NGSS.MS-LS1-3

Ella waves good-bye from the bus. What body system pulls on bones to let Ella wave her arm?

• muscular system

• nervous system

• digestive system

• circulatory system

Which body system protects the brain from getting bumped?

• the circulatory system

• the nervous system

• the skeletal system

• the digestive system

What makes up most of a human skeleton?

• muscle

• bone

• skin

• blood

What are the two main jobs of the skeletal system?

• support and protect the body

• digest food and carry messages for the body

• get rid of wastes and defend the body from disease

• sense changes in the environment and carry food through the 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.