Respiratory System

What is the name of the tube that connects your mouth/nose to your lungs

• diaphragm
• oesophagus
• trachea
• sinus

What gas is breathed OUT as waste when you Exhale?

• Oxygen
• Carbon Dioxide
• Air
• Helium

What muscle sits below your lungs and helps you breathe?

• diaphragm
• trachea
• ribs
• alveoli

What are the grape shaped balls in your lungs where the gas exchange takes place?

• bronchi
• alveoli
• lungs
• nose

What useful gas is breathed IN when you INhale?

• air
• carbon dioxide
• oxygen
• helium

Air travels down the trachea into two branching tubes called _________?

• lungs
• alveoli
• larynx
• bronchi

When you inhale, air enters the body through the _______ and _______.

• heart and lungs
• ears and mouth
• mouth and nose
• nose and skin

Alveoli or Air sacs are surrounded by thin walled blood vessels called _______.

• capillaries
• veins
• channels
• bronchi

Oxygen is carried by the _______ to every cell in the body?

• air
• lungs
• skin
• blood

Glucose + Oxygen = _______

• energy + waste
• carbon dioxide + water + energy
• carbon dioxide + oxygen
• water + carbon dioxide