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