Download - Respiratory System(Human)
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 1/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 2/18
Aim: What are the parts and functions of thehuman respiratory system?
I. Parts of Human Respiratory System
A. Nasal Cavity. Warms the air !capillary "eds#
$. %ilters the air !cilia and mucus#
&. 'oistens the air !mucus mem"ranes#
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 3/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 4/18
(. Pharyn) !*hroat#
. Air +ust passes throu,h
C. -aryn) !Home of the vocal chords#
. Air +ust passes throu,h
. *rachea !Windpipe#
. Held open "y rin,s of cartila,e
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 5/18
$. Cilia / tiny hairs that s0eep mucus 0ith dust
particles up0ard to0ards the pharyn).
1. (ronchi !(ronchus2sin,ular#
. *0o tu"es that "ranch off from tracheaand direct air to each lun,.
$. Also held open 0ith cartila,e rin,s.
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 6/18
%. (ronchioles
. Smallest su"division of "ronchial tu"es.
$. 1ach "ronchiole terminates 0ith a cluster
of alveoli.
&. No cartila,e rin,s.
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 7/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 8/18
3. Alveoli !Alveolus2sin,ular#
. Alveoli are sites of ,as e)chan,e. Alveoliare surrounded "y "eds of capillaries.
$. *he alveoli are the respiratory surfaces
in the human.
a. 4)y,en diffuses out of the alveoli intothe capillaries.
".Car"on dio)ide diffuses out of capillariesinto the alveoli to "e e)haled out of "ody.
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 9/18
3. Alveoli !Alveolus2sin,ular#
. Alveoli are sites of ,as e)chan,e. Alveoliare surrounded "y "eds of capillaries.
$. *he alveoli are the respiratory surfaces
in the human.
a. 4)y,en diffuses out of the alveoli intothe capillaries.
".Car"on dio)ide diffuses out of capillariesinto the alveoli to "e e)haled out of "ody.
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 10/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 11/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 12/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 13/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 14/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 15/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 16/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 17/18
7/26/2019 Respiratory System(Human)
http://slidepdf.com/reader/full/respiratory-systemhuman 18/18
THANK YOU