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