Respiratory System

What is the main function of the respiratory system?

• To facilitate gas exchange throughout the body

• To send blood around the body

• To provide the lungs with nutrients and minerals

• Use the bronchial tubes to send mucous around the body

What are tiny air sacs that facilitate gas exchange in the lungs?

Tags

NGSS.HS-LS2-5

What is gas exchange?

• The removal of oxygen from water molecules

• The input of carbon dioxide and removal of oxygen from the body

• The input of oxygen in the body and removal of carbon dioxide

• The exchange of oxygen to blood in the lungs

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-3

NGSS.HS-LS2-5

True or False: The passageway between the nose and mouth is the larynx.

• True

• False

What is considered as the "windpipe" that connects the upper respiratory system to the lungs?

• Pharynx

• Epiglottis

• Larynx

• Trachea

What is your "voice box"?

How are your heart and lungs connected?

• Diaphragm

• Pulmonary Arteries & Veins

• Bronchial Tubes

• Pharynx

What is the primary function of cartilage rings?

• To support and protect the trachea and prevent it from collapsing

• Connect joints so they don't rub against one another

• To protect the heart and lungs from pumping too much oxygen into blood

• Rigid bronchial tubes that uphold the lungs and prevent them from collapsing.

What smooth muscle helps regulate breathing in mammals?

• Larynx

• Trachea

• Lungs

• Diaphragm

Which respiratory mechanism consists of unidirectional airflow and nine air sacs?