14. Interactions
The respiratory system disperses oxygen to all the other systems through the circulatory and takes carbon dioxide from the other organ systems.
Interactions- Gives and removes gases from cells in all other systems so they can function and do their jobs.

15. Vocab. You Need to Know
Nasal Cavity- Area behind your nose that is used for breathing.
Pharynx- Connects mouth and nasal cavity.
Epiglottis- Flap of cartilage that closes off your throat from food that will then be directed to your stomach.
Larynx- Area under your epiglottis that holds your vocal folds.
Trachea- Main part of throat that bridges your upper and lower respiratory system.
Bronchus- A main branch from the trachea into the lungs.
Alveoli- A lung cell responsible for giving your blood oxygen.
Lung- Holds alveoli and blood vessels that give oxygen to your body
Diaphragm- a sack that inflates and deflates making you breath.
Respiration- the act of breathing.

17.
At this time take out your ipads and take the quiz after the video that is played up here