Which of these answers is the correct order in which air gets into the alveoli

• Mouth/nose - Bronchus - Bronchiole - Trachea - Alveoli

• Mouth/nose - Diaphragm - Small Intestine - Alveoli

• Mouth/nose - Trachea - Bronchus - Bronchiole - Alveoli

• Mouth/nose - Bronchiole - Trachea - Large Intestine - Alveoli

What is the function of the epiglottis ?

• To make you sleep better

• To prevent food going down your trachea "windpipe"

• To prevent air pollution

• The epiglottis has no function

The larynx is also known as your..

• Voice box

• Heart strings

• Beat box

• Diaphragm

The alveoli are surrounded by which type of blood vessel

• they arent surrounded by anything

• veins

• arteries

• capillaries

The diaphragm is..

• The heart muscle

• The muscle that contracts and relaxes to allow air in and out of our lungs

• The muscles in between our ribs

• Our voice box

When we inhale what happens our lungs?

• They explode

• They contract

• They expand

• They don't change at all

The gaseous exchange that takes place in the alveoli is an exchange of 2 gases, what are the 2 gases?

• Helium and methane

• Oxygen and carbon dioxide

• Oxygen and hydrogen

• Carbon dioxide and helium

In an experiment carried out in class we tested for the presence of carbon dioxide in exhaled air..what was the name of the solution we breathed into?

• Milk

• Sodium chloride

• Limewater

• Melonwater

When the limewater turned a milky white colour, what did this tell us?

• That carbon dioxide was in the air we exhaled

• That carbon dioxide was not is the air we exhaled

• It didnt tell us anything

To measure out the limewater we used this piece of equipment, what is it called?

• A glass cylinder

• A graduated cylinder

• A graduation cap

• Thats just a normal beaker