We get this oxygen from the_ that we breathe.

(a)  

In order to get the oxygen into the blood where it can be transported to the rest of the body, the air travels through a system or organs called the (a)   .

When you inhale air enters the body through the__ or the __.

(a)  

The (a)   , which forces air into the trachea and food into esophagus.

The air travels down the trachea into two branching tubes called (a)   .

The waste gas (a)   leaves the blood and then leaves the body when you exhale.

(a)   also leaves the body when you exhale , which is why mirrors get foggy when you breath on them.

The (a)   is the muscle that control the lungs.

(a)   this prevents food from going down your lungs.

What have you learned in school about climate change?

Why is it important to have so many different kinds of plants and animals on Earth?

What do you think “We must be the change we want to see in the world” means?

Why should we take care of the earth?

How can you make your surroundings clean?

What is 4R in saving mother earth?

What you should do during rain?

How can we protect the trees in the forest?

Which is the best way you can do to save energy in the house?

Why should we work together to save Mother earth?