Air enters the body through the two openings in our nose called the ___________________ and mouth.

The ______________ is also known as your throat.

The ________________ make a kind of cage around our lungs that helps to protect them.

The tiny air sacs in the lungs are called _____________________________

The body gets ___________________ form the food we eat.

Breathing occurs in our ___________________________ System which includes our nose , throat, voicebox, windpipe and the lungs.

The leaf shape flop of tissue at the back of our throat that keeps food from entering the lung is called the _______________________ .

After the air is passed from the trachea or windpipe it then moves into the ________________ tubes and deep into the lungs.

To _________________________ something is to change it from what it was, to something else.

The singular form of bronchioles is _____________________