The dangerous chemical in cigarettes / tobacco which damages the lungs
caffeine
Potassium Cyanide
nicotine
carbon dioxide
The organ also known as the 'voice box' contains vocal cords which produce sound.
bronchus
pharynx
larynx
trachea
Name this organ, which is located in the larynx and stops food from entering the lungs
epiglottis
pharynx
esophagus
trachea
The bone framework protects the respiratory system and aids respiration.
pubic bone
skull
ribs
spine/spinal column
This organ is also known as the "Throat" that humidifies the air that we breathe in.
nasal cavities
pharynx
larynx
trachea
Exercise makes your breathing rate go up because your body needs more ______ for ______.
energy for blood
oxygen for energy
carbon dioxide for energy
blood for energy
What is like a bunch of grapes at the end of bronchi where the gas exchange happens?
bronchiole
trachea
alveoli
bronchi
What is the main gas that enters the when you inhales
water
oxygen
nitrogen
carbon dioxide
The main gas that we release when we exhale.
carbon dioxide
nitrogen
Oxygen
H<sub>2</sub>O
This sticky liquid help moisten the nose and the air in the nasal cavities.
booger
mucus
cilia
saliva
This organ of the respiratory system is also called throat.
pharynx
bronchi
trachea
larynx
This organ of the respiratory system is also called the windpipe.
trachea
pharynx
bronchi
larynx
Dome-shaped muscle below the lungs. Which helps control the breathing.
esophagus
epiglottis
diaphragm
pectorals major
What is the name of the two openings in the nose where the air enters?
nasal cavities
mucus
nasal septum
nostrils
The trachea will branch out into two _______, going into the lungs.
bronchi
aveoli
pharynx
bronchioles
This sticky liquid in our nose helps moisten the nose and filter dirt in the air in the nasal cavities.
mucus
booger
saliva
cilia
