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