The document discusses the cardiovascular system, including:
- The heart pumps blood through over 60,000 miles of blood vessels. It beats over 100,000 times per day, pumping 2000 gallons of blood.
- The circulatory system consists of the heart, blood vessels (arteries, veins, capillaries), and blood. The heart pumps oxygenated blood to the body and deoxygenated blood to the lungs.
- Blood is composed of plasma and cellular components like red blood cells, white blood cells, and platelets. Red blood cells contain hemoglobin and transport oxygen and carbon dioxide.
- Common cardiovascular disorders include atherosclerosis, coronary artery disease, aneurysms, and varicose
If you or anyone you know has heart disease, hypertension, disorders of the heart valves, or cholesterol issues then you need this information. In this presentation you will learn about the circulatory system, risk factors, and what supplements you can take to help it achieve optimal health.
Be sure to order any supplements mentioned in this presesntation from NaturesSunshine.com (use sponsor number 2849323 / or search for MCM Products) or from BrilliantNaturalHealth.com.
If you or anyone you know has heart disease, hypertension, disorders of the heart valves, or cholesterol issues then you need this information. In this presentation you will learn about the circulatory system, risk factors, and what supplements you can take to help it achieve optimal health.
Be sure to order any supplements mentioned in this presesntation from NaturesSunshine.com (use sponsor number 2849323 / or search for MCM Products) or from BrilliantNaturalHealth.com.
Hey, these are the slides me n my friends made... Use them if u want to... for viewing the videos used click on the links given ahead.
http://www.youtube.com/watch?v=jzOti_MtmBk
http://www.youtube.com/watch?v=N9MARqmqSf4
http://www.youtube.com/watch?v=yokcKhqq48c
http://www.youtube.com/watch?v=rJZVFRJmc9M
Cardiovascular system (blood pressure, hypertension) Pharmacy Universe
The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.
The circulatory system includes the lymphatic system, which circulates lymph.[1] The passage of lymph for example takes much longer than that of blood.[2] Blood is a fluid consisting of plasma, red blood cells, white blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues. Lymph is essentially recycled excess blood plasma after it has been filtered from the interstitial fluid (between cells) and returned to the lymphatic system. The cardiovascular (from Latin words meaning "heart" and "vessel") system comprises the blood, heart, and blood vessels.[3] The lymph, lymph nodes, and lymph vessels form the lymphatic system, which returns filtered blood plasma from the interstitial fluid (between cells) as lymph.
ASD is a type of congenital heart defect in which there will be a hole formation in the wall seperating right and left atria. Dr. Benedict, a famous heart surgeon is mainly specialised to provide consultation to patient suffering congenital and degenerative heart defects.To know more about the surgeon check this ppt presentation http://www.slideshare.net/doctorbenedict/best-heart-surgeon-india
you can also visit our wesite,url is given below
http://doctorbenedict.com/
Hey, these are the slides me n my friends made... Use them if u want to... for viewing the videos used click on the links given ahead.
http://www.youtube.com/watch?v=jzOti_MtmBk
http://www.youtube.com/watch?v=N9MARqmqSf4
http://www.youtube.com/watch?v=yokcKhqq48c
http://www.youtube.com/watch?v=rJZVFRJmc9M
Cardiovascular system (blood pressure, hypertension) Pharmacy Universe
The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis.
The circulatory system includes the lymphatic system, which circulates lymph.[1] The passage of lymph for example takes much longer than that of blood.[2] Blood is a fluid consisting of plasma, red blood cells, white blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues. Lymph is essentially recycled excess blood plasma after it has been filtered from the interstitial fluid (between cells) and returned to the lymphatic system. The cardiovascular (from Latin words meaning "heart" and "vessel") system comprises the blood, heart, and blood vessels.[3] The lymph, lymph nodes, and lymph vessels form the lymphatic system, which returns filtered blood plasma from the interstitial fluid (between cells) as lymph.
ASD is a type of congenital heart defect in which there will be a hole formation in the wall seperating right and left atria. Dr. Benedict, a famous heart surgeon is mainly specialised to provide consultation to patient suffering congenital and degenerative heart defects.To know more about the surgeon check this ppt presentation http://www.slideshare.net/doctorbenedict/best-heart-surgeon-india
you can also visit our wesite,url is given below
http://doctorbenedict.com/
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Biology Project [Circulatory System] Vijay Raja Std Vii Navdeep With Soundvijayaswathy
My project was to prepare a presentation on human circulatory system.
This is what it finally looked like .
Hope it comes of some use to you all .
Vijay Raja
2. Interesting Facts
The heart beat is strong enough to squirt blood 30 feet
The longer a boy’s ring finger is, the less likely they are to have a heart attack
(according to one study)
The human heart beats ~35 million times per year
The heart pumps ~1,000,000 barrels of blood in a lifetime
Most heart attacks occur between 8-9 a.m.
3. Interesting Facts
The blue whale has the largest heart – it weighs ~ one ton
The hummingbird has a heart that beats 1000 times per minute
Your entire volume of blood goes through your entire body once every minute
Humans have ~60,000 miles of blood vessels in their bodies (more than twice the
circumference of the earth!)
Your heart beats 100,000 times and pumps ~2000 gallons of blood every day
Pig and baboon hearts have been transplanted into humans
6. The Heart
Size of a fist; less than a pound
In thorax; flanked by lungs; rests
on diaphram
Top: base
Bottom: apex
7. Pericardium
Double-layered sac covering the
heart
Outer layer anchors heart in chest
Inner layer (epicardium) attached
to heart wall
Lubricating fluid in pericardial
space (between layers) reduces
friction
8. Heart Chambers
Four Chambers
2 atria: top of heart – receive blood
from veins
2 ventricles: bottom of heart –
pump blood through arteries
Valves
Septum: divides left from right heart
Valves: keep blood flowing in one
direction
Four valves:
2 AV valves,
2 semilunar valves
10. Heart Polarization
3 Stages:
SA node fires, atria contract
(depolarize)
Impulse travels to AV node, then
travels thru bundle of His, bundle
branches, & Purkinje fibers –
ventricles contract (depolarize)
Contraction of ventricles has
‘wringing’ action, pushing blood
upward and out through large
arteries
Heart muscle repolarizes
12. Blood Vessels
Arteries: carry oxygenated blood
away from the heart
Veins: carry deoxygenated blood
towards the heart
Capillaries: connect arteries to
veins & exchange gases with
tissues
16. Blood Composition
55% Plasma (fluid matrix of water, salts, proteins, etc.)
45% Cellular elements:
Red Blood Cells (RBCs): 5-6 million RBCs/ml of blood. Contain
hemoglobin which transport oxygen and CO2.
White Blood Cells (WBCs): 5,000-10,000 WBCs/ml of blood.
Play an essential role in immunity and defense. Include:
Lymphocytes: T cells and B cells
Macrophages: (phagocytes)
Granulocytes: Neutrophils, basophils, and eosinophils.
Platelets: Cellular fragments, 250,000- 400,000/ml of blood.
Important in blood clotting.
17. Components of Blood
Centrifuged blood
45% Red blood cells (erythrocytes)
Hematocrit: RBC volume = ~45%
<1% Buffy Coat: White blood cells
(leukocytes)
55% Plasma: Serum and fibrinogen
18.
19. Blood Circulation :
A. Pulmonary Circulation
Right ventricle pumps deoxygenated blood through pulmonary
artery to the lungs
The blood picks up O2 from the lungs and dumps CO2 into the
lungs
Oxygenated blood is returned to the left atrium thru the
pulmonary vein
20. Blood Circulation :
B. Systemic Circulation
Oxygenated blood is pumped
from left ventricle thru aorta to
the body
Blood dumps oxygen into
tissues and picks up CO2
Deoxygenated blood travels
from body to vena cava to the
right atrium
24. Erythropoiesis
2.5 million RBCs are produced/sec
Lifespan of 120 days
Old RBCs removed from blood by
phagocytic cells in liver, spleen, & bone
marrow
Iron recycled back into hemoglobin
production
27. Atherosclerosis
Narrowing of vessel lumen due
to plaque/fat formation on
inside of walls
Causes: diet high in fat,
cholesterol, salt; inactive
lifestyle; smoking
Risks: high BP, enlarged heart,
embolus blocking circulation;
stroke
28. Coronary Artery Disease
When Atherosclerosis affects
the arteries that supply the
heart muscle
Symptoms: short of breath
after simple exertion, angina
(chest pain)
Risk: MI, cardiac arrest,
death
29. Vessel Disorders
Varicose Veins: twisted, dilated
veins resulting from pooling of blood
due to long periods of standing,
obesity, or inactivity
30. Aneurysm
Weakening in the wall of a
vessel, causing it to balloon
outwards.
Rupture of the site causes
◦ Stroke (if in the brain)
◦ Death (in a large artery –
aorta).