Functions of parts of the Respiratory system

Which system functions to take oxygen into the body and release carbon dioxide from the body?

• nervous system

• digestive system

• respiratory system

• skeletal system

This is the primary air entrance that warms and humidifies the air.

• Nasal cavity

• Mouth

• Epiglottis

• Cilia

Which part of the respiratory system is the main passageway of air into the lungs?

• alveoli

• bronchi

• trachea

• bronchioles

The organ that connects the trachea to the lungs is called?

• lungs

• bronchi

• alveoli

• nose

The passage that connects the nose, mouth, windpipe and esophagus is the __________________.

• larynx

• pharynx

• trachea

• pleural fluid

What is known as the voice box?

• pharynx

• larynx

• esophagus

• tonsils

The parts of the respiratory system that allows air to enter the body are ...........

• Nose and Pharynx

• Diaphragm & lung

• Lung and Alveoli

• Nose and Mouth

The air enters our body through our nose. There is fine hair in it that plays an important role in our respiratory system. What is it for?

• It traps the dust from the air we breathe in

• It is the door where the oxygen enters and carbon dioxide leaves

• it changes the oxygen and carbon dioxide

• it connects the lungs and nose

What connects the larynx to the lungs?

• trachea

• pharynx

• nasal cavity

• diaphragm

All of the following are true about breathing through the nose except

• It moistens air.

• It warms air.

• It is the only way to breath in air.

• It filters air.