Year 8 Respiratory system

a dome shaped sheet of muscle, the _________, separates the chest from the abdomen

• diaphragm
• epiglottis
• alveoli
• bronchial tubes

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

• mucus
• trachea
• larynx
• epiglottis

the gas known as _______ is needed to stay alive and properly.

• oxygen
• carbon dioxide
• nitrogen
• helium

What is breathed out from our mouth and nose?

• carbon dioxide
• oxygen
• nitrogen
• helium

What is the main bone structure that protects the lungs

• Vertebrae
• Rib cage
• Skull
• Pelvis

Select ALL the organs that ARE parts of the respiratory system

• Heart

• Bronchi

• Trachea

• Capillaries

• Small intestine

Put the following in order of inhalation

• trachea

• nose

• bronchioles

• alveoli

• bronchi

The left lung is smaller than the right lung to make room for what?

• Liver

• Pancreas

• Bladder

• Heart

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

What are the main organs of gas exchange in the respiratory system?

• diapragm
• lungs
• trachea
• bronchi