Human Respiration

Look at number 1. What is that?

• nose

• nasal cavity

• oral cavity

• salivary glands

There are _____ and _____ in nasal cavity.

• mucus membrane

• nose hairs

• tongue

• vocal cord

What is that?

• larynx

• pharynx

• nasopharynx

• oropharynx

What is that?

• epiglottis

• vocal cord

• trachea

• esophagus

What is this?

• trachea

• esophagus

• vocal cord

• lungs

What is the function of nose hairs?

• filter the dust

• moist nasal cavity

• fight infections

• filter the water

What happened with epiglottis when the air enters our respiratory tract?

• It will open

• It will close

The place where oxygen and carbon dioxide are exchaged is _____

• alveolus

• capillary

• bronchus

• bronchioles