Respiratory System

Your body couldn’t breathe without this system. Which one is it?

• Respiratory system

• Circulatory system

• Digestive system

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

• diaphragm

• epiglottis

• alveoli

• bronchial tubes

Tags

NGSS.4-LS1-1

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 tubes that go from the trachea into the lungs

• alveoli

• diaphragm

• epiglottis

• bronchial tubes

Tags

NGSS.4-LS1-1

A flap of tissue that closes when we eat so food doesn't not go down the trachea

• larynx

• pharynx

• trachea

• epiglottis

Tags

NGSS.4-LS1-1

_______ is known as the voice box

• windpipe

• larynx

• pharynx

• epiglottis

Tags

NGSS.4-LS1-1

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

• oxygen

• carbon dioxide

• nitrogen

• helium

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

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