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Transcript
Blood &
circulation
This Powerpoint is hosted on www.worldofteaching.com
Please visit for 100’s more free powerpoints
Circulation
3 Major Parts of the Circulatory
system
* Stuff – includes oxygen, food, & waste
Blood Vessels
3 Types of Blood Vessels
Arteries
Capillaries
* Click on each blood vessel to explore its
function in circulation
Veins
The Heart

Lub
If you listen to
your heartbeat, it
makes a lub dub
sound.
The lub is when blood
is pushed out of the
heart into the body and
the dub is the reloading
of the heart with more
blood ready to push it
out to the body
Dub
Blood Flow through the Human
Body
Blood with little oxygen is pumped from the Right Atrium through a valve to
the Right Ventricle and through another valve into the Pulmonary Vein. The
Pulmonary Vein sends it to the Lungs to pick up Oxygen. It’s sent from the
Lungs through Pulmonary Arteries to the Left Atrium through a valve to the
Left Ventricle. The Left Ventricle sends it through a valve to the Aorta. The
Aorta is a series of branches that sends oxygenated blood throughout the
body.
Stethoscope
376
400
300
200
100
0
200
Mammals
ou
se
40
m
70
lio
n
9
co
w
ca
t
el
30
el
ep
ha
gr
nt
ey
wh
al
e
hu
m
an
50
28
ca
m
Heartbeats per
minute
Average Heart Rate of some
Mammals









Blood Types
There are 4 main Blood
Types:
Type A, Type B, Type AB, and
Type O
Dr. Charles Drew