What is the function of breathing?

• Transporting oxygen to the body's cells

• Clearing the system of carbon dioxide

• Keeping the body alive

• All of the above

Which system is responsible for breathing?

• Circulatory system

• Digestive system

• Respiratory system

• Nervous system

What triggers the respiratory system to start functioning?

• The Nervous System

• The Heart

• The Lungs

• The Oxygen Content of the air.

What happens to the diaphragm during inhalation?

• Diaphragm contracts

• Diaphragm relaxes

Tags

NGSS.MS-LS1-3

Where does the vital exchange of gases occur in the lungs?

• Bronchioles

• Alveoli

• Trachea

• Bronchi

What is the function of red blood cells in the respiratory system?

• Transporting oxygen

• Producing red blood cells

What happens to carbon dioxide during exhalation?

• It is transported throughout the body

• It is unloaded into the lungs

• It is expelled from the body

• It is converted into oxygen

Put the steps to transporting Oxygen from the air to your body cells in order.

Start with the Trachea

• Cells

• Trachea

• Alveoli (Air Sacs)

• Blood

• Bronchi

Tags

NGSS.MS-LS2-3

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