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