No student devices needed. Know more
15 questions
It is the network of organs and tissues that help you breathe.
digestive system
nervous system
circulatory system
respiratory system
What is the purpose of the respiratory system?
takes in oxygen and releases nitrogen
takes in carbon dioxide and releases oxygen
takes in oxygen and releases carbon dioxide
takes in nitrogen and releases oxygen
Openings that pull air from outside your body into your respiratory system.
sinuses
mouth and nose
bronchial tubes
lungs
Passage connecting your throat and lungs.
pharynx
bronchial tubes
diaphragm
trachea
Bones that surround and protect your lungs and heart.
ribs
diaphragm
pleura
larynx
Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
bronchioles
lung lobes
alveoli
capillaries
Hollow organ that allows you to talk and make sounds when air moves in and out.
pharynx
larynx
trachea
cilia
Our respiratory system helps us...
absorb oxygen into our body.
absorb nutrients from the food that we eat.
protect our body from bacteria
circulate oxygen
Muscle that helps your lungs pull in air and push it out.
diaphragm
alveoli
heart
trachea
This area warms, moisturizes, and filters air before going to the lungs.
Which system does this image represent?oes this image represen
trachea
nose
mouth
nasal cavity
What are the smaller branches of the bronchi called?
bronchioles
alveoli
larynx
lungs
This condition occurs when the airway is narrowed due to inflammation of the bronchi.
lung cancer
asthma
emphysema
cystic fibrosis
What do humans need to breathe in from the air?
hydrogen
carbon monoxide
carbon dioxide
oxygen
What gas do plants take in that animal/humans breathe out?
carbon monoxide
carbon dioxide
nitrogen oxide
oxygen
This sudden infection of your airways is usually caused by a virus.
cystic fibrosis
acute bronchitis
emphysema
tuberculosis
Explore all questions with a free account