GASEOUS EXCHANGE

Movement of air in and out of the lungs is known as:

• VENTILATION

• RESPIRATION

• BREATHING

• INSPIRATION

Which of the following are features of the ALVEOLI that adapt them to gas exchange?

I. Large surface area

II. Thin walls

III. Dry surfaces

• I & II ONLY

• I ONLY

• II AND III

• I, II AND III

Which is the correct order of structures that air passes through?

• Trachea --> bronchi --> bronchioles --> alveoli

• Bronchi ---> trachea--> bronchioles --> alveoli

• Bronchioles --> bronchi --> trachea --> alveoli

• Trachea --> bronchioles --? bronchi --> alveoli

Oxygen is absorbed into the _______________ & carried around the body

• WHITE BLOOD CELLS

• PLATELETS

• PLASMS

• RED BLOOD CELLS

Tags

NGSS.MS-LS1-3

What is the main function of the respiratory system?

• To provide oxygen and remove carbon dioxide from the body

• to bring oxygen to the body

• to break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

The larynx is also known as the...

• PASSAGE TO THE LUNGS

• LONG VEIN

• VOICE BOX

• AIRWAY

The role of the mucus and and cilia in the respiratory system is to....

• warm the air.

• clean the air.

• humidify the air.

• All of the choices are true.

Oxygen from the air enters the blood stream at what location?

• ALVEOLUS

• TRACHEA

• BRONCHUS

• BRONCHIOLE

The two main branches from the trachea is (one to each lung) the ___________?

• TRACHEA

• ALVEOLUS

• BRONCHIOLES

• BRONCHI

Thin-walled vessels that allow for the exchange of O_{2 ,} CO₂, nutrients and wastes between blood cells or air sacs in the lungs

• ARTERIES

• CAPILLARIES

• VEINS

Tags

NGSS.MS-LS1-3