3D - Respiratory System

What is investigated regarding artificial organs?

• Their cost

• How they mimic or augment real organ functions

• Their weight

• Their appearance

In Year 8, what do multicellular organisms have that form body systems to help them survive?

• Specialized cells, tissues, and organs

• Simple cells and tissues

• Only organs

• Single-celled structures

What affects your rate of breathing?

• Physical activity

• Watching TV

• Eating food

• Reading a book

What process do cells use to get energy by using oxygen?

• Photosynthesis

• Cellular respiration

• Fermentation

• Glycolysis

What harmful byproduct is produced during cellular respiration?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

How does the respiratory system supply oxygen to the body?

• By digesting food

• By circulating blood

• By breathing in

• By absorbing sunlight

What does the respiratory system remove from the body by breathing out?

• Oxygen

• Carbon dioxide

• Nitrogen

• Water vapor

What percentage of air is composed of nitrogen?

• 78%

• 21%

• 1%

• 50%

Which gas is primarily filtered out by our lungs for use in the body?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Argon

What do we exhale back into the atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Helium