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