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