Essays Tagged: "blood cells"

HIV/AIDS - Description, causes, statistics etc.

ing a health care worker. HIV is a virus that attacks the body's immune system. It also affects the blood cells (lymphocytes) and cells of the organs (bone marrow, spleen, liver, and lymph glands). It ... people live for several years once they have AIDS, but it is always fatal. HIV is diagnosed with a blood test known as an HIV antibody test or HIV test. If the test shows that HIV is present, the per ...

(4 pages) 258 2 5.0 Dec/2002

Subjects: Humanities Essays > Health & Medicine > Diseases

The kidney's structure, functions, and what controls these functions.

of nephrons, which are a kidney's functional units. These nephrons collect fluid filtered from the blood. The kidney connects to the renal artery, renal, vein, and ureter. Purified blood leaves the k ... od leaves the kidney using the renal vein, urine leaves using a ureter and the renal artery carries blood from the aorta to the kidney.The nephron has a cup-shaped nephric capsule that surrounds a clu ...

(2 pages) 54 0 3.7 May/2003

Subjects: Science Essays > Biology > Human Biology

Embryonic Stem Cells

de an unlimited source of specific, clinically important adult cells such as bone, muscle, liver or blood cells. This is why the use of embryonic stem cells to repair damaged tissue and organs is the ... esThere are several approaches now in human clinical trials that utilize mature stem cells (such as blood-forming cells, neuron-forming cells and cartilage-forming cells). However, because adult cells ...

(3 pages) 116 2 4.3 Mar/2004

Subjects: Social Science Essays > Sociology

Home Care V. Hosptial Care (Comparing Lorenzo's Oil and One Flew Over the Cuckoo's Nest)

ctor, Noah Banks, is diagnosed with a terminal illness, which raises the level of saturated fats in blood cells, called ALD, Adrenoleukodystrophy. This disease was inherited from his mother, and is a ...

(11 pages) 65 0 5.0 Apr/2004

Subjects: Art Essays

Lab: Exploring Organelle Function

oncentrations of acids and/or bases (different pH levels). Some enzymes, like the ones contained in blood cells work best in a neutral environment ( pH 7), but others such as stomach enzymes would wor ...

(3 pages) 52 0 4.2 Apr/2004

Subjects: Science Essays > Biology

Its a brochure i made about aids Tells you alot of stuff about aids

because none of the scientists agree with it. But some think that when the HIV virus enters to the blood cells, it attacks the CD4 (kind of cell in our bodies). It kills the CD4 and also it can multi ... is unclean (with aids or HIV). The second way is when an unclean needle or injection enters to your blood system. The last one is if a child is born in a mother with AIDS. If you are one of these pers ...

(4 pages) 34 0 4.7 Sep/2004

Subjects: Humanities Essays > Health & Medicine > Diseases

CONTOVIERSIES IN CELL BIOLOGY TISSUE CULTURE

etc. Hybridomas are "cells that result from fusion of two different cells", for example when normal blood cells are fused to cancer cells they produce huge amounts of antibodies which help our body to ... will be on Tissue Culture. Tissue culture can be defined as "the process or the technique of making blood tissue grow in a culture medium out side the organism." (Britannica 2002 Standard Edition, CD ...

(3 pages) 27 0 4.6 Sep/2004

Subjects: Science Essays > Biology

Circulatory System

Vertebrates have a closed circulatory system. Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness. In this type of syste ... by a heart through vessels, and does not normally fill body cavities. Hemoglobin causes vertebrate blood to turn red in the presence of oxygen; but more importantly hemoglobin molecules in blood cell ... ertebrate cardiovascular system includes a heart, which is a muscular pump that contracts to propel blood out to the body through arteries, and a series of blood vessels. The upper chamber of the hear ...

(2 pages) 85 0 4.5 Oct/2004

Subjects: Science Essays > Biology > Human Biology

Analyse the benefits and problems associated with the use of Radioisotopes in identified industries

, and cause hair-loss, skin burning, sweating, fever, pain, or decreases in the levels of different blood cells.Gamma sterilisation (using Caesium-137) of bandages and surgical equipment has greatly r ...

(2 pages) 30 0 3.8 Apr/2005

Subjects: Science Essays > Chemistry

Stem Cell Research: What is it? A paper for a Communication and Gender class, overview of topic and ethical concerns.

basic building blocks for most types of cells found in the human body, including but not limited to blood cells and those cells found in heart tissue, brain tissue, spinal cord tissue, bone marrow, an ... ising because these cells are only available in limited amounts. However, there have been many cord-blood banks established to store a child's umbilical cord in case stem cells are ever needed for tha ...

(5 pages) 60 0 5.0 May/2005

Subjects: Humanities Essays

Stem Cell Research

hat can be coaxed into developing into most of the 220 types of cells found in the human body (e.g. blood cells, heart cells, brain cells, etc). Some researchers regard them as offering the greatest p ...

(3 pages) 129 0 4.1 Apr/2006

Subjects: Science Essays > Biotechnology

Stem Cell Debate Resolution

can be developed into developing into most of the 220 types of cells found in the human body (e.g. blood cells, heart cells, brain cells, etc). Some researchers regard them as offering the greatest p ... -- and that the heart can't be repaired once it is damaged (Wiley& Sons, 2004)3. Umbilical-cord blood, now used mostly to treat children with leukemia, could save thousands of adults with the dise ...

(3 pages) 47 0 5.0 May/2006

Subjects: Science Essays > Genetics & Genome Projects

Steroid Use Amoung Athletes

o help treat illnesses such as; burns, hormonal imbalances, chronic diseases, and as protection for blood cells during treatment for cancer. Although steroids have been used since the 1960s by athlete ... effects that range from sevear acne to brain hemorrhages and strokes. Serious side effects include blood pressure, acne, liver damage, heart disease, and stroke, as a result of clogged arteries. Male ...

(4 pages) 17 0 0.0 May/2001

Subjects: Humanities Essays

Stem Cell Controversy

marrow with ability to multiply and differentiate into specific blood cells.Many people ask the question "What is a stem cell and how can they be used in the medica ...

(3 pages) 40 0 0.0 Aug/2001

Subjects: Science Essays > Biology

Aids

s now believe that the HIV virus cannot be killed. HIV is a resourceful virus that now only infects blood cells but also injects its DNA into the code of memory t-cells. Now that this has been figured ... ith AIDS.In 1996,Dr. David Ho developed a drug that stopped the spreading of the HIV virus into new blood cells. This was thought as a turning point in the cure for AIDS, but they then found out that ...

(1 pages) 7 0 5.0 Sep/2001

Subjects: Humanities Essays > Health & Medicine > Diseases

Bio-Red Blood Cell Journey

My Journey Through the Human Body My name is Ruby; I am a red blood cell. I am a dazzling ruby red color (hence my name) with a small area of inner pallor and I a ... role in the circulatory system of your body. Actually, it is probably the most important of all the blood cells. I carry oxygen to all parts of your body and tissues and I also return carbon dioxide f ... our tissues to your lungs.So I bet you are wondering how I do this very important role! I enter the blood vessels through the heart's main artery called the aorta making sure that I am full of oxygen. ...

(2 pages) 14 0 0.0 Feb/2002

Subjects: Science Essays > Biology > Human Biology

Stem Cell Research

p into mature cells that have characteristic shapes and specialized functions, such as heart cells, blood cells, skin cells, and nerve cells. All of these cells are generated from the zygote or fertil ... ely in culture, they could potentially provide an unlimited source of important adult cells such as blood, muscle, liver, or bone cells. These cells are called pluripotent. A pluripotent stem cell has ...

(3 pages) 68 1 0.0 Feb/2008

Subjects: Science Essays > Biology

Hearts Function

"Your heart beats all your life, pumping up to 25 liters of blood every minute. Like all pumps, it has a power source - the heart muscle - and valves to make su ... very thin walls. Those are called the right and left Atria. These are the parts of the heart, where blood first flows through.The Atria has thin walls, which is good because they only use a precise am ... alls, which is good because they only use a precise amount of energy they need, to be able push the blood the ventricles beneath.Under the Atria, you find the 2 Ventricles. These are the real "power-h ...

(2 pages) 12 0 0.0 Feb/2008

Subjects: Science Essays > Biology > Human Biology

Most people take for granted the ability to sit, stand,

own (resorption) of the skeleton is done by cells referred to as osteoclasts, which are formed from blood cells. These cells dig holes into the bone, releasing small amounts of calcium into the blood ...

(5 pages) 494 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases