Respiratory system

What is the primary function of the respiratory system?

• To digest food and absorb nutrients

• To pump blood throughout the body

• To deliver oxygen to the body's cells and remove carbon dioxide

• To filter waste products from the blood

What is delivered to the blood by the respiratory system?

• Waste products

• Oxygen

• Nutrients

• Carbon dioxide

What is removed from the body by the respiratory system?

• Oxygen

• Water

• Carbon dioxide

• Glucose

What is the purpose of oxygen in the cells?

• To produce carbon dioxide

• To remove waste products

• To transport nutrients

• For energy production and respiration

What type of product is carbon dioxide in relation to cells?

• A waste product

• A necessary nutrient

• A component for energy production

• A component of blood

Which of the following describes breathing?

• A chemical process in cells

• The breakdown of glucose for energy

• The exchange of gases in the alveoli

• A physical process involving gas exchange between the inside and outside of the body

Which of the following describes respiration ?

• A chemical process where glucose is broken down in cells to produce energy

• The physical act of inhaling and exhaling

• The exchange of oxygen and carbon dioxide in the lungs

• The transport of gases in the bloodstream

What are the two main gases exchanged in the alveoli?

• Nitrogen and oxygen

• Carbon dioxide and nitrogen

• Oxygen and carbon dioxide

• Hydrogen and oxygen

In gas exchange, where does oxygen diffuse into?

• The alveoli

• The blood

• The bronchioles

• The trachea

Where is carbon dioxide moved to during gas exchange?

• The alveoli

• The blood

• The body cells

• The bronchi