G3 Q2 SCI All About the Nose

What is the main function of the nose?

• To produce sound for speech

• To regulate body temperature

• To filter dust from the air

• The main function of the nose is to facilitate the sense of smell.

What are the two openings of the nose called?

• Sinuses

• Nostrils

• Nares

• Septum

What divides the nose into two separate chambers?

• Nasal bridge

• Nasal septum

• Nasal cavity

• Nasal concha

What are the tiny hairs in the nose called?

• Cilia

• Cilia-like structures

• Villi

• Microvilli

What is the nasal cavity connected to?

• Ears, mouth, digestive system

• Skin, muscles, circulatory system

• Brain, eyes, nervous system

• Sinuses, throat (pharynx), respiratory system

What is the function of the mucous membrane in the nose?

• The mucous membrane produces sound for speech.

• The mucous membrane acts as a barrier against pathogens.

• The mucous membrane absorbs nutrients from the air.

• The mucous membrane warms, humidifies, and filters the air.

What helps filter dust and particles in the nose?

• Nasal hairs

• Cilia and mucus

• Saliva

• Earwax

What is the term for the sense of smell?

• Hearing

• Vision

• Gustation

• Olfaction

What happens to the air when it passes through the nose?

• The air is filtered, humidified, and warmed.

• The air is not affected at all.

• The air is cooled and dried.

• The air is only filtered.

What is the role of the olfactory receptors in the nose?

• To regulate airflow in the nasal passages

• To produce mucus for moisture in the nose

• The role of the olfactory receptors in the nose is to detect and identify odor molecules, enabling the sense of smell.

• To filter dust and particles from the air