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respiratory system
stuff
28
Biology
12th Grade
03/10/2010

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Term
what is the formula for ATP?
Definition
C6 H12 O6 + O2 --> CO2 + H2O + 36ATP
Term
why is oxygen important to the body?
Definition
because oxygen is needed to convert glucose into ATP
Term
what three things must be done to air once it enters the body?
Definition
it must be warmed, filtered, and moistened
Term
the voice box is...
Definition
the larynx
Term
what are the functions of the larynx?
Definition
1. act as a switching mechanism to route air and food into the proper channels

2. function in voice production
Term
epiglottis
Definition
elastic cartilage that covers the trachea during swallowing
Term
the bronchus divides how many times?
Definition
23 times
Term
millions of tiny air sacs
Definition
alveoli
Term
how many lobes does the right lung have?
Definition
3
Term
how many lobes does the left lungs have?
Definition
2
Term
what do pulmonary arteries do?
Definition
supply blood that needs to be oxygenated
Term
what do pulmonary veins do?
Definition
cary oxygenated blood from respiratory zones to the heart
Term
what is the name of the surface that covers and seals each lung?
Definition
pleura
Term
the three thoracis cavities that the pluera divides into is what?
Definition
right lung

left lung

heart
Term
inspiration is a ______ event
Definition
active
Term
expiration is a ______ event.
Definition
passive
Term
what could happen if there is a puncture in the lung?
Definition
it could collapse
Term
what could lessen the natural reilience of the lungs
Definition
scar tissue or fibrosis
Term
do we have dead space in our lungs?
Definition
yes
Term
what is hyperventilation?
Definition
small breaths only fill and empty this empty space from the mouth through the trachea
Term
nicotine
Definition
stimulant drug that increases the heart rate and nblood pressure
Term
carbon monoxide
Definition
poisonour gas that blocks the transport of oxygen by hemoglobin in the blood

decreases the blood's ability to supply oxygen to its tissues
Term
tar
Definition
contains a number of compounds that have been shown to cause cancer
Term
chronic bronchitis
Definition
bronchi become swollen and clogged with mucus
Term
emphysema
Definition
loss of elasticity in the tissues of the lung

cannot get enough oxygen in, or get carbon dioxide out
Term
lung cancer
Definition
can easily be spread to other parts of the body
Term
metastasize
Definition
spread through the body
Term
heart disease
Definition
constricts the blodd vessels

leading to higher blood pressure
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