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The Circulatory system

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Cris Berron

on 1 March 2015

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Transcript of The Circulatory system

The Circulatory System
Welcome to our Presentation!
What is the Circulatory System
The Circulatory System is a structure within the body that circulates nutrients, water and oxygen to all the surrounding cells . The system also removes waste from the body such as carbon dioxide and connects the body all together between different cells.
our blood cells
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White

Platelets
are minute fragments of cells that gather up at an injury, like a cut, and help the blood clot in order to stop the flow of blood.
As the
platelets
stick to the opening of the hurt vessel they attract more
platelets
, fibers and other blood cells gather to help to seal the broken blood vessel.
This results in a
fibrin clot,
which covers the wound and inhibits blood from coming out.
platelets
Red Blood Cells

are responsible for carrying
oxygen
,
carbon dioxide
,
and
nutrients
.
They are the most abundant cell in the blood.

Red Blood Cells

contain hemoglobin, which assists in carrying

oxygen

from the lungs to the tissue in the body, and returning

carbon dioxide
from the tissues to the lungs, where it is exhaled.
Red blood cells

start as immature cells in the bone marrow
After seven days of maturing they are released into the bloodstream
Red blood cells

have no nucleus and can easily change shape, this helping them fit through the various blood vessels in your body

*Fun Fact:


There is about 500,000
Red Blood Cells
in one drop of blood!

Red
The
Arteries
are vessels that move
oxygenated blood
from the heart to other parts of the body.
The
Arteries
have
thick muscular walls
to maintain the blood pressure that is pumped from the heart.
The larger
arteries
of the body contains most of the
elastic tissue
that allows them to stretch and withstand the pressure from the heart.
Smaller
arteries
have more muscular walls that
contract or expand
to regulate blood flow.
Contraction and expansion helps
control
how much blood will flow in different body parts.
Arteries
Capillaries
The
Veins

carry

deoxygenated blood

back towards your heart to be oxygenated.

The
veins
receive much less blood pressure so they are
thinner
and have
less muscular walls
than
arteries.

Veins
rely on
gravity, inertia,
and
skeletal muscle contractions
to help push blood back to the heart.

To make the movement of blood easier, some
veins
have
one-way valves
that prevents blood from flowing away from the heart.
When
skeletal muscles contract
, they sqeeze the
viens
and push blood through valves towards the heart and when the muscles relax, the valves trap the blood.
Veins
The Circulatory System Parts
The Circulatory System is split into 3 parts:

1. The Heart
2. The Blood
3. The Blood Vessels





THE
BLOOD
The blood is a liquid that circulates continuously throughout the body carrying nutrients, water, oxygen, and waste. Our blood is pumped by our heart. Our blood consists of liquids, solids and minute amounts of oxygen and carbon dioxide.

Our blood consists of
Plasma
,
Red Blood Cells
,
White Blood Cells,
and
Platelets
. However, our blood is responsible for the following actions:
Carrying cells and antibodies that fight infection
Transporting oxygen and nutrients to the lungs and tissues
Forming blood clots to prevent excess blood loss
Bringing waste products to the kidneys and liver, which filter and clean the blood
Regulating the body temperature
62
ECG
bpm
Your heart is a
muscle.
It's located a little to the left of the middle of your chest, and it's about the size of your
fist.
The heart pumps blood throughout your body. The blood provides your body with the
oxygen
and
nutrients
it needs and also carries away
wastes.

Your heart is similar to a pump, or
two pumps
in one. The right side of your heart
receives
blood from the body and pumps it to the lungs. The left side of the heart does the exact
opposite:
It receives blood
from
the lungs and pumps it out to the body.
The
aorta

is a large
blood vessel
that branches off from the heart and pumps
oxygen-rich
blood back into the body. The aorta pumps new oxygen-rich blood from the
left ventricle
of the heart, where it is eventually
deposited,
and circulated
back
into the body.
The Aorta
Pulmonary Artery
How does the heart beat?
Heart Parts
the heart!
now for the moment you've all been waiting for!
in this presentation we've hidden a few letters so we think that you guys should get out a paper and get ready to find! And if you spell a word out you could get a suprise !! good luck!!!
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Another type of blood cell are the
white blood cells
. They help fight sicknesses, illnesses or diseases.
White blood cells
attack germs when they enter the body.
we'll give you a hint : white letters mean some thing different and black letters mean some thing different
plasma
The
plasma
is the liquid portion of the blood.

Plasma
is a mixture of
water, proteins
, and
dissolved substances.

Plasma
is created in the
liver
and is made of
90% of water.
The proteins within
plasma
contains
antibodies
and
albumins
.
Many
dissolved substances
in
plasma
are
glucose, oxygen, carbon dioxide, electrolytes, nutrients,
and
waste.

The
plasma
functions as the
transportation
for substances.
The cardiovascular system is responsible for transporting
Red Blood Cells,
White Blood Cells,

Plasma,
and
Platelets
through
arteries,

capillaries,
and
veins
which are found throughout the body. The volume of blood is made up of 45% of
Red Blood Cells,
55% of
Plasma,
and 1% of
White Blood Cells
and
Platelets.
the basics: The Heart
the superior Vena cava
The
Superior Vena Cava
is one of the main veins which carries deoxygenated blood to the
right atrium
of the heart. This superior vena cana brings out the deoxygentated blood from the head,
arm, neck,
and
chest
areas of the body.
pulmonary veins
The Pulmonary Veins are any of four veins that carries oxygenated blood from the lungs to the
left atrium
.
Inferior Vena Cava
The
Inferior Vena Cana
is a larger vein which carries deoxygenated blood from the
lower half
of the body into the
right atrium
of the heart. The vein carries the deoxygenated blood from the
legs
,
abdomen, back
and
pelvis.

Valves
are flap-like structures that allow blood to flow in one direction. The pulmonary valve
prevents the back flow
of blood as it is pumped from the
right ventricle
to the pulmonary artery. The valve
closes the lower right chamber
and allows the heart to pump blood to the lung for it to recieve oxygen.
the pulmonary valve
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p

Capillaries
are tiny blood vessels as thin or thinner than hairs.
The
capillaries
connect
arteries
to
veins
.

Nutrients, oxygen
and
wastes
pass in and out of your blood through the
capillary walls.

The
capillaries
carry blood very close to the cells of the tissue to exchange
gases, nutrients
and
waste products.
The walls of
capillaries
are
very thin
so that there is a minimum amount of structure between the
blood
and
tissue
.
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BY:

Berron, Cristina
Cervantes, Alondra
Gant, LaDesha
Ramos, Aleki S.
Trimble, Taj
Valladares, Yaitana
the
end
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What is the
circulatory system?

Let's find out!

Blood
Cells
The
pulmonary arteries
transport deoxygenated blood to the
right
and
left
lungs and to the heart as well.
Each day the heart beats
100,000
times through
4 chambers.
The
atriums
pumps blood into the
ventricles
which are placed at the bottom of the heart. As the heart pumps blood throughout the body, it makes the sound of the heart beat.

The heart is a double pump made up of
4 chambers
going in every direction due to the presence of heart valves. The atrium
(upper right)
chamber takes in
deoxygenated
blood that is loaded with carbon dioxide. It is then squeezed into the ventricle which is the
lower right
chamber and then taken by an
artery
to the lungs where
carbon dioxide
is replaced with
oxygen
. The oxygenated blood travels back to the heart, this time entering the
left side
of the heart, then is pumped into the
lower left
side then back through the entire body again.

Blood
Cells
The most common type of
white blood cell
is the neutrophil
Our bone marrow constantly makes new neutrophils to maintain protection against infection

The other major type of
white blood cell
is a lymphocyte
There are two main types of lymphocytes, the T and B Lymphocyte
T lymphocytes help regulate the function of other immune cells and attack infected cells and tumors

B lymphocytes make antibodies, which are proteins that specifically target bacteria, viruses, and other foreign materials

s
The Cardiovascular System
Fun Fact: The capillaries are the smallest microscoptic blood vessels in the circulatory system.
Fun Fact: Veins carry dark blue blood because of the lack of oxygen which give blood cells its red color.
B
Fun Fact: The pulsating movement of blood may be felt where the large arteries lie near the body surface.
THE CIRCULATORY SYSTEM VIDEO
Three circulations of the blood
Tina
Tina
Tina
Tina
Tina
Tina
There are three circulations of blood within the body which all play a separate role in keeping the circulatory system pumping to each parts of the body. They include the pulmonary, systemic, and coronary circulations.

The systemic system is responsible for keeping the body tissues alive by supplying a continuous stream of blood to them.
Pulmonary Circulation
The pulmonary system makes sure that the oxygen depleted blood is pumped away from the heart. The blood is pumped to the lungs and back to the heart oxygenated.
Coronary Circulation
Systemic Circulation
The coronary system provides blood supply to the heart muscle.
Full transcript