Understanding the Human Nose

What is the primary function of the respiratory system?

• To help in digestion

• To support movement

• To allow breathing

• To circulate blood

What are the two openings in the nose called?

• Mouth

• Eyes

• Ears

• Nostrils

What is the role of the small hairs in the nose?

• To detect smells

• To warm and filter air

• To produce mucus

• To aid in hearing

What is the olfactory nerve responsible for?

• Tasting

• Seeing

• Hearing

• Smelling

How can you remember the olfactory nerve?

• Think of a skunk

• Think of a flower

• Think of a new car

• Think of an old factory

Approximately how many different smells can the olfactory nerve detect?

• 1 quadrillion

• 1 trillion

• 1 billion

• 1 million

How does the olfactory nerve enhance taste?

• By cooling the food

• By making food look appealing

• By enhancing the flavor of food

• By blocking bad smells

Why might food taste bland when you have a stuffy nose?

• Because you can't see the food

• Because you can't hear the food

• Because you can't touch the food

• Because you can't smell the food

What is located at the roof of the nasal cavity?

• The auditory nerve

• The olfactory nerve

• The gustatory nerve

• The optic nerve

What is the main entry point for air in the respiratory system?

• Nose

• Ears

• Mouth

• Eyes