What is respiration?

What is word equation for respiration?

What is the system that takes air into your body and ultimately makes oxygen available to the cells?

Tell of the structure of the respiratory system:

What is your nasal cavity?

What are cilia?

What does the nasal cavity do?

What is the pharynx?

What is a alternate name for the larynx?

What is the trachea?

What are the two tubes that trachea divides into called?

True or False: The bronchi divide into smaller tubes called bronchioles.

What are alveoli?

Describe gas exchange:

What is breathing?

What happens to your ribs and diaphragm (thin layer of muscle) when you breath in (inhale)?

True or False: When you exhale, your diaphragm twists and your ribs move sideways.

How does your body react to your sudden need for oxygen when exercise?

Where does your body's energy come from?

How many times do you breath in and out daily?