WorksheetsRespiration
Total questions: 20
Worksheet time: 11mins
Where in the body does respiration take place? Select the best answer.
The lungs
The muscles
All cells
The blood
The ___________ is the dome shaped muscle below the lungs
diaphragm
rib
alveoli
trachea
________ is the tube that connects the larynx to the lungs.
alveoli
larynx
pharynx
trachea
smaller branches in lungs
pharynx
epiglottis
bronchioles
alveoli
2 tubes entering the lungs
pharynx
larynx
bronchus
bronchioles
nose and mouth
Openings where air enters and exits the body
The gas that enters the blood through the lungs and travels to the heart to be pumped by the arteries to all body cells.
Tiny air sacs found found at the end of the bronchioles, where gas exchange occurs between the lungs and the bloodstream.
Breathing air out of the lungs
Alveoli
Tiny air sacs found at the end of the bronchioles, where gas exchange occurs between the lungs and the bloodstream.
The passageway from the trachea to the lungs.
A tube made up of rings of cartilage that air passes through after it leaves the pharynx (throat).
Openings where air enters and exits the body
respiratory system
The organ that covers the vocal chords.
The main organs of the respiratory system, used to take in oxygen and breathe out carbon dioxide.
A system of organs that we use to inhale oxygen and exhale carbon dioxide.
To inhale oxygen and exhale carbon dioxide
mucus
The gas that enters the blood through the lungs and travels to the heart to be pumped by the arteries to all body cells.
A thick, slippery substance that moistens and traps particles from the air
The passageway from the trachea to the lungs.
To inhale oxygen and exhale carbon dioxide
Which statement is FALSE?
Your lungs contain almost 1500 miles of airway tubing.
Another name for the throat is the pharynx
You inhale oxygen
Your lungs are the same size
(a) is waste gas the body doesn't need
(a) is a sticky substance that filters out bacteria and other particles that might harm the lungs
The diaphragm is a?
Ligament
Muscle
Tendon
Nerve
One function of mucus and cilia is to...
Absorb oxygen
Absorb nutrients
Make energy for cells
Trap dust and other particles
Each alveoli are wrapped with tiny blood vessels called ________________.
capillaries
bronchi
lungs
lobes
Every one of your body's cells need________________ to stay alive.
cilia
mucus
oxygen
carbon dioxide
There are tiny hairs in your ___________________that obstruct all the dust particles.
capillaries
nostrils
lobes
heart
The left lung is slightly smaller in size to give room to the (a) .
When you _______ air comes into your nose or mouth.
inhale
exhale
run
relax
