How We Smell

The video explores the sense of smell, highlighting its role in triggering memories and influencing attraction. It explains the process of smell detection, where molecules in the air are captured by olfactory cells in the nasal cavity. The video also discusses why our noses are particularly sensitive to bad smells, often due to sulphur compounds. Finally, it describes how the brain processes these smells, linking them to emotions and memories, which can evoke strong feelings based on past experiences.

Which of the following is NOT an effect of smell mentioned in the video?

• Triggering intense memories

• Making us physically sick

• Influencing who we find attractive

• Improving our vision

What are smells composed of according to the video?

• Molecules in the air

• Electrical impulses

• Light waves

• Sound waves

Why are our noses particularly sensitive to bad smells?

• They contain more olfactory cells

• They are heavier and settle quickly

• They are more colorful

• Bad smells travel faster through the air

Which part of the brain is responsible for identifying smells?

• Cerebellum

• Frontal lobe

• Occipital lobe

• Parietal lobe

How does the limbic system relate to our sense of smell?

• It helps us see better

• It regulates our heartbeat

• It controls our balance

• It stores memories and emotions