Respiratory System
Another name for breathing in
Inhalation
Where air enters the body.
the nose or mouth
Bones that protect the lungs and heart.
the ribs
Muscles between each rib that helps with breathing.
Intercostal muscles
glucose + ____ --> ATP
oxygen
When we breathe in, the intercostal muscles between the ribs .......
contract (get shorter) and lift the rib cage
One respiration is
one inhale and one exhale
The trachea and larynx are made and lined with this flexible connective tissue.
Cartilage
another name of windpipe
trachea
The oxygen diffuses into blood vessels from the....
air sacs (alveoli)
These flaps of tissue make your voice unique, as air passes through them
The voicebox
Name the two functions of the respiratory system.
to supply oxygen to the blood and remove also expel waste gases (CO2)
During_______ the ribcage moves downward and inward and the diaphragm domes upward
exhalation/expiration
The important gas that we inhale when breathing
oxygen
When air moves out of the lungs, this is the gas that is let out via your exhalation--where does it come from?
c02 --cellular waste and breathing, external respiration.
What area of the resp system warms the air we breathe in
pharynx
gas exchange
During ________ the volume of the lungs increases and the pressure decreases.
inhalation/inspiration
Which blood cells carry 02 to the body?
Red blood cell
What is the function the epiglottis
to keep food and water OUT of the trachea
What effect does exercise have on breathing rate and why?
INCREASE the breathing rate because the body needs more o2
The resting have on breathing rate and why?
DECREASE the breathing rate less 02 is needed by body
internal--gas exc w body, external-gas exchange with environment
The trachea branches into two ....
Bronchi
Each primary bronchus divides into smaller tubes called
secondary bronchi