How Blood Works - HowStuffWorks
Also dissolved in plasma are electrolytes, nutrients and vitamins (absorbed from the intestines or produced by the body), hormones, clotting factors, and proteins such as albumin and immunoglobulins (antibodies to fight infection). As we age this gradually diminishes to just the bones of the spine (vertebrae), breastbone (sternum), ribs, pelvis and small parts of the upper arm and leg
The Human Body: Diagram, Main Organs Of The Body: Diagrams Of Heart, Lungs, Liver, Bladder, Kidneys, Intestines
(4) Brain stem: Critical for regulating your heart beat, digestion, breathing and blood pressure - all unconscious activities that you are not aware of. In other heart failure situations doctors can insert an artificial pump (ventricular assist device) to keep blood flowing, but this is only a temporary measure for people waiting for a heart transplant
Blaufuss Multimedia - Heart Sounds and Cardiac Arrhythmias
Blaufuss Multimedia - Heart Sounds and Cardiac Arrhythmias Requires Flash Player Requires Shockwave Player Heart Sounds and Murmurs CD-ROM: translated into Spanish and Japanese editions, used in medical schools worldwide, this program is the classic reference for cardiac auscultation... Actual patient videos and recordings of their heart sounds, combined with computer animations, test the ability to establish physical findings at the bedside..
Heart and Circulatory System
In a heart attack (or myocardial infarction), the heart muscle becomes damaged by lack of oxygen, and unless blood flow returns within minutes, muscle damage increases and the heart's ability to pump blood is compromised. Blood from the head and arms returns to the heart through the superior vena cava, and blood from the lower parts of the body returns through the inferior vena cava
Cardiovascular System - Human Veins, Arteries, Heart
These again divide as they descend from the end of the aorta and each divides, between the last lumbar vertebra and the sacrum, into the external iliac artery, which supplies blood to much of the lower limbs, and the internal iliac artery, which supplies the viscera and the walls of the pelvis. It takes in deoxygenated blood through the veins and delivers it to the lungs for oxygenation before pumping it into the various arteries (which provide oxygen and nutrients to body tissues by transporting the blood throughout the body)
HUMAN BEING :: ANATOMY :: BLOOD CIRCULATION :: PRINCIPAL VEINS AND ARTERIES image - Visual Dictionary Online
common iliac artery Branch of the abdominal aorta that circulates blood to the pelvis and the lower limbs; it divides into the internal and external iliac arteries. subclavian artery Main artery of the upper limb passing through the clavicle and extending through the axillary artery; it also flows to the lower section of the neck
The other two are called the aortic (say: ay-OR-tik) valve and pulmonary (say: PUL-muh-ner-ee) valve, and they're in charge of controlling the flow as the blood leaves the heart. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited
Preventing HPV-Caused Cancers What are human papilloma viruses, why do they cause cervical cancer, and how well does the HPV vaccine work? Tracking Disease Outbreaks How do epidemiologists figure out the role of low vaccination rates in preventable diseases like measles or pertussis? What is Herd Immunity? When enough people are immune to a disease, the "herd" protects those who cannot safely receive a vaccine. Did you place your hand on the left side of your chest? Many people do, but the heart is actually located almost in the center of the chest, between the lungs
What is the Aortic Valve? Why do People Get Angina? What is stable angina? What is unstable angina? Aortic Regurgitation Aortic Valve Stenosis Atrial Fibrillation Heart Block Ventricular Fibrillation How do cold temperatures..
Human Heart Diagram
The arteries narrow down into capillaries, which have very thin walls to enable oxygen and nutrients to seep out (in the form of tissue fluid) into the surrounding tissue
Human Anatomy: Blood - Cells, Plasma, Circulation, and More
Myocardial infarction (MI): Commonly called a heart attack, a myocardial infarction occurs when a sudden blood clot develops in one of the coronary arteries, which supply blood to the heart
National Heart, Lung, and Blood Institute (NHLBI) - NHLBI, NIH
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Variations in the waveform and distance between the waves of the EKG can be used clinically to diagnose the effects of heart attacks, congenital heart problems, and electrolyte imbalances. It takes in deoxygenated blood through the veins and delivers it to the lungs for oxygenation before pumping it into the various arteries (which provide oxygen and nutrients to body tissues by transporting the blood throughout the body)
Diagram of Blood Flow in the Heart, Lungs and Body : Medical Chart
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