eltac

8/6/2019 eltac

1/29

The HumanRespiratory System

VIII/1

8/6/2019 eltac

2/29

Respiratory Intro The Respiratory system is the systemthat helps you breath in and out, so

oxygen (02) can be pumped through

your body and carbon dioxide (CO2)

can be removed from the blood

stream. You must remember that theRespiratory system is made up of

many different organs.

JH

8/6/2019 eltac

3/29

Here is a overview picture of

the Respiratory System.

Picture Intro

8/6/2019 eltac

4/29

Respiratory Overview Picture

Nasal

Cavity

Nose

Mouth

Bronchus

Bronchiole

Alveolus

Diaphragm

Throat

(pharynx)

Windpipe

(Trachea)Left lungs

Ribs

MB

8/6/2019 eltac

5/29

The Nose

Filters the inhaled air

When the air comes into yournose it getsfiltered by tiny hairs.

Adapts the inhaled temperature

As the inhaled air passes through the nasal passages,the mucus and nose hair provide heat and moisture.

MB

8/6/2019 eltac

6/29

Nose and MouthPicture

Nasal Cavity

Nostril

Oral CavityPharynx

Here is a picture of yournasal and

oral cavity.

MB

8/6/2019 eltac

7/29

Nasal Passage

Bronchi Tubes

Alveoli (air-sacs)

Thin-walled blood vessels

called capillaries

Very thin cells line the

alveoli so that O2 and

CO2

can pass in and out

of the blood.

Bronchioles pass

air to and from

your alveoli.

The Trachea is

held open by

partial rings of

cartilage.

Tongue

Pharynx

Where

are We?We are here.

MB

8/6/2019 eltac

8/29

Next we will head down to yourpharynx

(throat) and yourtrachea (windpipe).

This is where the air passes from your

nose to your bronchi tubes and lungs.

MB

8/6/2019 eltac

9/29

The Pharynx and Trachea

Yourpharynx(throat) gathers air after it passes

through yournose and then the air is passed down to

yourtrachea (windpipe).

Yourtrachea is held open by incomplete rings

of cartilage. Without these rings yourtrachea

might close off and air would not be able to get

to and from yourlungs. MB

Pharynx

(Throat)

Mouth

Trachea

8/6/2019 eltac

10/29

Nasal Passage

Bronchi Tubes

Alveoli (air-sacs)

Thin-walled blood vessels

called capillaries



CO2

can pass in and out

of the blood.

Bronchioles pass

air to and from

your alveoli.

The Trachea is

held open by

partial rings of

cartilage.

Tongue

Pharynx

Where are

We?

We are here.

MB

8/6/2019 eltac

11/29

Yourtrachea (windpipe) splits up intotwo bronchi tubes. These two tubes keep

splitting up and form yourbronchiole.

MB

8/6/2019 eltac

12/29

The Bronchi Tubes and Bronchiole

These bronchi tubes split up, like

tree branches, and get smaller and smaller

inside your lungs.

The air flows past yourbronchi tubes

and into yourbronchiole. These tubes

keep getting smaller and smaller until they

finally end with small air sacs (called alveoli).

But we will go there later

MB

8/6/2019 eltac

13/29

Alveoli and Bronchi Picture

Trachea

Bronchi Tubes

Bronchiole

Alveoli

MB

8/6/2019 eltac

14/29

Nasal Passage

Bronchi Tubes

Alveoli (air-sacs)

Thin-walled blood vesselscalled capillaries



CO2 can pass in and out

of the blood.

Bronchioles pass

air to and from

your alveoli.

The Trachea is

held open by

partial rings of

cartilage.

Tongue

Pharynx

Where are

We?

We are here.

MB

8/6/2019 eltac

15/29

Now we will head over to the

alveoli and what happens when the

air finally makes it down there.

MB

8/6/2019 eltac

16/29

The Alveoli and Capillary Network

Youralveoli are tiny air sacs

that fill up with air/oxygen when you

breath in.

Youralveoli are surrounded by

many tiny blood vessels called

capillaries.

The walls of youralveoli (and capillaries) are

so thin that the oxygen orcarbondioxide can

pass through them, traveling right into, or

out of your blood stream. MB

8/6/2019 eltac

17/29

Alveoli Picture

Here is a closeup picture of

yourAlveoli

and a Capillary

surrounding it.

Capillary

Red BloodCell

Oxygen ispicked up

Carbon

Dioxide is

dropped off

Wall of

the air

sac

MB

8/6/2019 eltac

18/29

Nasal Passage

Bronchi Tubes

Alveoli (air-sacs)

Thin-walled blood vesselscalled capillaries



CO2 can pass in andout of the blood.

Bronchioles pass

air to and from

your alveoli.

The Trachea

is held open

by partial

rings of

cartilage.

Tongue

Pharynx

Where are

We?

We are here.MB

8/6/2019 eltac

19/29

The Way Human Breathing

Breathing actually has two main

process, they are inspiration and

expiration.

Inspiration is an effort to intake air from

the outside.

Whether, expiration means the process

of exhaling air from the lungs.

8/6/2019 eltac

20/29

Here is the picture of The Way

Human BreathesDiaphragmExperiment

JH

8/6/2019 eltac

21/29

CO2

JH

The Pharynx, or throat, is

located where passages

from the nose and mouth

came together.

Air Passing over the mucus

membrane of the nasal

cavity is moistened,

warmed, and filtered

Inside the lungs the

Bronchi branch into

small tubes called

bronchioles

At the end of the

bronchioles are

bunches of alveoli,

air sacs, arranged like

grapes on a stemAir enters the

trachea, or wind pipe

which leads to and

from the lungs

The trachea divides into

two tubes called bronchi

If one lobe is injured or

diseased, the other lobes

may be able to function

normally

8/6/2019 eltac

22/29

Questions

1. What is the function of nose?

a. Filters the inhaled air

b. Manages the air fom the lung

c. Gathers air from your Nasal and Oral Cavities and passes it toyour Trachea.

d. Connects your throat to yourBronchi Tubes and lungs

2. The smallest branch of bronchi is called. . .

a.Epiglottis

b.Trachea

c.Bronchiolus

d.Alveoli

8/6/2019 eltac

23/29

3. What is respiration process?

a.The process of inhaling and exhaling the air.

b.The process of using oxygen to produce energy in the

cells.

c.The process of transported the blood to the lungs.

d.The process of exchange the oxygen and carbondioxide

8/6/2019 eltac

24/29

Arrange this into the correct

Respiration Process Air from the nose or mouth is then funneled

through the throat and into the trachea Each bronchus enters one of the lungs and then

branches into smaller tubes called bronchioles Capillaries in the walls of the alveoli exchange

oxygen and carbon dioxide by the process ofdiffusion

Air enters the respiratory system through thenose or mouth

The trachea branches into two tubes called

bronchi The bronchioles have small sacs at their ends

called alveoli

8/6/2019 eltac

25/29

Good

8/6/2019 eltac

26/29

Lets Try

Again

8/6/2019 eltac

27/29

Lets Try

Again

8/6/2019 eltac

28/29

Lets Try

Again

8/6/2019 eltac

29/29

Lets Try

Again

Documents

eltac