science 5

It is a name of a gas that is found in the air when you breath?

• oxygen
• carbon dioxide
• nitrogen
• helium

The air travels down your throat to a tube is called?

• esophagus
• trachea
• larynx
• bronchi

When you breathe in, what will happen to your rib cage?

• It will shrink

• It will disappear

• It will turn blue

• It will expand

What will happen to your rib cage when you breath out?

• It will move upward and outward
• It will stay in the same position
• It will expand and contract
• Rib cage gets smaller

It is a spongy organ in your chest and sits inside your ribs?

• Lungs
• Liver
• Heart
• Stomach

What is the name of the tube that carries air to the lungs?

• Trachea

• Esophagus

• Larynx

• Bronchi

Which organ sits inside the rib cage and helps in breathing?

• Heart

• Liver

• Lungs

• Stomach

What gas is released when you exhale?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Helium

a grape-like structured at the end of each bronchiole surrounded by capillaries

• lungs

• alveoli

• bronchioles

• all of the above

smaller tubes that branch off into alveoli

• lungs

• branchioles

• bronchioles

• non of the above