Respiratory System

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INDEPENDENT WORK:
Respiratory
System
Completed: Shurganova Danara ,103 group, the faculty
of dentistry

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Table of contents
01
02
What is?
Four main
functions
04
05
General parts
Source of
literature
03
The process of
breathing

01
What is?
The human respiratory
system - a set of bodies
providing external respiration
(gas exchange between the
inhaled ambient air and
blood).
Respiration is the process by
which the cells of the body
are supplied with oxygen, it
stimulates the metabolic
reactions necessary for the
assimilation of nutrients.

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02
Four main functions
01
02
Gas exchange
Breathing
03
04
Sound production
Olfactory assistance

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03 The process of breathing
01
03
Inspiration
Expiration
the phase of ventilation in
which air enters the
lungs. It is initiated by
contraction of the
inspiratory muscles
02
Oxigen
Saturation of tissue cells
with oxygen
the phase of ventilation
in which air is expelled
from the lungs. It is
initiated by relaxation of
the inspiratory muscles

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04
General parts
of the system

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The main parts of the system
01
02
03
Nose
Nasopharynx
Oropharynx
moistens and warms
air
Filters inhaled air
the part of the pharynx
involved in respiration
critical region that joins the oral
cavity and nasopharynx
04
05
06
Larynx
Trachea
Bronchi
routes air and food into the
proper channels
Closed during swallowing
Open during breathing
is the passageway for
air traveling from the
larynx to the lungs.
to carry air that is breathed
in through to the functional
tissues of the lungs,
called alveoli.

Respiratory System

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