Body system Grade 4

What is an organ?

• group of blood

• group of tissue

• group of computers

• group of cells

What does the heart do?

• coordinate

• break down food

• pump the blood

• breath

What does the lungs do?

• coordinate

• pump the blood

• breath

• break down the food

What does the brain do?

• break down food

• pump the blood

• coordinate

• breath

Why the brain is very important?

• It helps to breath.

• It controls what the body does.

• It breaks down the food.

• It pump the blood.

What important jobs does the skin do?

• It keep water out and keep our body fluids inside.

• It control the blood.

• It keep organs together.

• It protect the brain.

______________ is the largest part in the brain.

• cerebrum

• brain stem

• cerebellum

• brain

The brain stem controls ______________

• movement

• balance

• memory

• heart rate and breathing

The cerebellum controls____________

• movement

• heart rate

• thinking

• eating

What do nerves do in the body?

• eat

• run fast

• carry messages to the body parts

• control the heart