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