Connect Plus 4 Unit 1 Vocabulary

We use our _______when we move.

• respiratory system

• digestive system

• bones and muscles

Our _____ has two halves, or hemispheres.

• heart

• brain

• blood

The ______ is part of the digestive system.

• lungs

• heart

• stomach

We ______ in air through our nose.

• chew

• eat

• breathe

In the stomach, a special liquid changes the food into energy and _______ .

• nutrients

• power

• drinks

In the lungs, the _______ in the air is passed to the blood.

• carbon dioxide

• oxygen

• nutrients

We use our ______ to change the food we eat into energy.

• respiratory system

• digestive system

We chew and ______ food, then it goes to our stomach.

• cut

• swallow

• drink

Our heart pumps blood around our ______.

• skeleton

• bones

• body

_______ make us strong and protect our organs.

• Bones

• Lungs

• Blood