Parts of the Respiratory System

What is the function of structure X?

• To trap dust particles.

• To sweep the mucus.

• To provide a larger surface area for gas exchange.

• To warm up the incoming air.

Tags

NGSS.MS-LS1-2

Identify cell Y

• ciliated epithelial cell

• air sac

• mucus-secreting cell

• muscle cell

The cells shown in the picture can be found in

• nostril

• nasal cavity

• air sacs

• oesophagus

Tags

NGSS.MS-LS1-1

In humans, gas exchange occurs in

• trachea

• bronchus

• bronchiole

• air sacs

Which of the following features helps to warm the inhaled air?

• The nasal cavity has a lot of hair.

• The respiratory tract is coated with mucus.

• The trachea is covered with cilia.

• The nasal cavity is richly supplied with capillaries.

Identify the parts of the Respiratory System encircled in the picture.

• mouth

• nose

• bronchi

• air sacs

Label the parts pointed by the arrow.

• branching tubes

• air sacs

• lungs

• trachea

Label the parts pointed by the arrow.

• lungs

• air sacs

• trachea

• branching tubes

Label the parts pointed by the arrow.

• trachea

• air sacs

• lungs

• bronchi

Label the parts pointed by the arrow.

• Branching tubes

• trachea

• bronchi

• air sacs