What is the structure labeled with the letter “A”?

Nose

Fill in the blank:

Food + Oxygen ___________ + ENERGY

Carbon Dioxide (CO2)

This is the gas that we inhale that our cells use to break down food to

make energy

Oxygen

What is the structure labeled with the letter “D”?

Vocal Cords

These structures are tiny sacs in the lungs that exchange oxygen and carbon dioxide in our blood

Alveoli

What is the structure labeled with the letter “F”?

Voice Box

Fill in the blank:

Food + ______ Carbon Dioxide + ENERGY

Oxygen

What is the structure labeled with the letter “H”?

Diaphragm

What is the structure labeled with the letter “B”?

Trachea

Fill in the blank:

Food + Oxygen Carbon Dioxide + _______

Energy

What is the structure labeled with the letter “C”?

Bronchi

This structure warms the air and has cilia and mucus to trap

particles

Nose

What is the structure labeled with the letter “E”?

Pharynx or Throat

This structure is also known as the Windpipe

Trachea

What is the structure labeled with the letter “G”?

Alveoli

This structure is also known as the Throat

Pharynx

These structures split into small branches that carry air throughout

the lungs

Bronchi

This structure is also known as the VOICE BOX

Larynx

This structure is a large muscle that controls breathing

Diaphragm

What is the structure labeled with the letter “I”?

Lung(s)

This is the main organ in our respiratory system; it inflates and

deflates to bring air in and out

Lung(s)

These structures vibrate to make sound and allow us to talk

Vocal Cords

Fill in the blank:

____+ Oxygen Carbon Dioxide + ENERGY

Food

Fill in the blanks:

The process of combining oxygen and other chemicals to break down food and release energy in our cells is called ____________ ____________

Cellular Respiration

Fill in the blanks:

____________ ____________ is the term used to describe how much air we can hold in our lungs in

one breath

Lung Capacity

Fill in the blanks:

____________ ____________ is the chemical that we used to test or indicate if we were exhaling

carbon dioxide

Bromothyml Blue or BTB