Organs of the Respiratory System

The respiratory system is made up of ___

• The heart, blood, trachea and bronchi.

• The brain, muscles and lungs.

• The nostrils, trachea, bronchi and lungs.

• The nose, mouth and stomach.

What is the name of the organ in number 2 ?

• Pharynx

• Bronchi

• Alveoli

• Lungs

The nose has two holes called ____ where the air enters our body

• Trachea

• Nostrils

• Bronchi

• Alveolus

The trachea is a tube that divides into two smaller tubes called _____

• Bronchi

• Nostrils

• Lungs

• Alveolus

Where do we have our vocal cords?

• In the larynx

• In the pharynx

• In the trachea

• In the mouth

What do we called little bags where the change between oxygen and carbon dioxide happens ?

• Alveolus

• Bronchioles

• Lungs

• Trachea

Diagram shows the breathing organ of an animal. Which animal uses this organ for breathing?

• Cat

• Tadpole

• Grasshopper

• Frog

Figure shows the head of a grasshopper being immersed in the water. However, the grasshopper was still alive. Why does the grasshopper still alive?

• It breathes through gills

• Air is absorbed through its skin

• Its respiratory organ is located in the abdomen

• It has two respiratory organs which are lungs and skin

Which pair of animals have the same respiratory organs?

• Cat and fish

• Dolphin and stingray

• Cow and worm

• Crocodile and snake

Which is/ are part/s of the respiratory system?

• esophagus

• alveoli

• red blood cells

• bronchus