The dangerous chemical in cigarettes / tobacco which damages the lungs
caffeine
carbon dioxide
nicotine
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.
pubic bone
ribs
skull
spine/spinal column
This organ is also known as the "Throat" that humidifies the air that we breathe in.
larynx
nasal cavities
trachea
pharynx
Exercise makes your breathing rate go up because your body needs more ______ for ______.
energy for blood
blood for energy
carbon dioxide for energy
oxygen for energy
What is like a bunch of grapes at the end of bronchi where the gas exchange happens?
bronchi
alveoli
trachea
bronchiole
What is the main gas that enters the when you inhales
carbon dioxide
oxygen
nitrogen
water
The main gas that we release when we exhale.
Oxygen
H<sub>2</sub>O
nitrogen
carbon dioxide
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.
bronchi
larynx
pharynx
trachea
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.
pectorals major
esophagus
epiglottis
diaphragm
What is the name of the two openings in the nose where the air enters?
nasal septum
nostrils
mucus
nasal cavities
The trachea will branch out into two _______, going into the lungs.
pharynx
bronchi
bronchioles
aveoli
This sticky liquid in our nose helps moisten the nose and filter dirt in the air in the nasal cavities.
booger
mucus
saliva
cilia
