Respiratory System Quiz

What is the primary function of the respiratory system?

• Regulation of body temperature

• Phonation (voice production)

• Bringing O₂ into the body and CO₂ out of it

• Sense of smell

Which system does the respiratory system work together with to perform its primary function?

• Digestive system

• Cardiovascular system

• Nervous system

• Muscular system

Which of the following is NOT a secondary function of the respiratory system?

• Phonation (voice production)

• Sense of smell

• Regulation of body temperature

• Digestion of food

Which secondary function of the respiratory system is related to voice production?

• Regulation of pH

• Phonation

• Sense of smell

• Regulation of body temperature

Which of the following is NOT a part of the upper respiratory tract?

• Nares (Nostrils)

• Nasal Passages/Cavity

• Pharynx

• Esophagus

What is the function of nasal sinuses?

• They help in digestion.

• They lighten the weight of your skull, improve your voice, and moisten the inside of your nasal passages by producing mucus.

• They filter the blood.

• They produce red blood cells.

Which structure is located directly above the larynx in the upper respiratory tract?

• Trachea

• Pharynx

• Nasal cavity

• Tongue

What are nares?

• Internal opening of the respiratory tube

• External opening of the respiratory tube

• Part of the digestive system

• A type of gland

Where do nares lead into?

• The trachea

• The esophagus

• The nasal passages

• The lungs

How do most animals breathe?

• Through their mouth

• Through their skin

• Through their nares

• Through their ears