Respiratory System & Gas exchange

Add the labels to the correct portion of the diagram.

a

b

CO2 diffuses into alveoli

O2 diffuses into capillary

Add the labels to the correct portion of the diagram.

b

c

a

Low [ O2 ]

High [ CO2 ]

High [ O2 ]

Tags

NGSS.HS-LS1-7

When a person ​ (a)   , there is a ​ (b)   concentration of ​​ (c)   in the ​​ (d)   .

• high
• inhales
• low
• carbon dioxide
• capillaries

When a person ​ (a)   , there is a ​ ​ (b)   concentration of ​ ​ (c)   in the ​ (d)   .

• alveoli
• inhales
• oxygen
• high
• carbon dioxide

Tags

NGSS.HS-LS2-3

What is the movement of molecules from an area of high concentration to an area of low concentration?

Reorder the following steps air would take if a person inhales.

• air enters the larynx

• air travels through the nasal cavity

• air enters the nostrils

• air enters the pharynx

• air passes the glottis

Reorder the following in terms of the size form largest to smallest.

• alveoli

• alveolar ducts

• bronchi

• bronchial tubes

• trachea

Match the following structure with its function.

• Moistens the air

• Mucous

• Filters the air

• Cilia

• Warm the air

• Blood vessels

Tags

NGSS.MS-LS1-4

Match the following organ with its main component.

• Cartilage & Muscle

• Esophagus

• Muscle

• Bronchial tubes

• Cartilage

• Trachea

• Bones

• Diaphragm

• Muscle

• Ribs

Which of these is called the alveolus?

Tags

NGSS.HS-LS2-5