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Blood

Blood is a bodily fluid consisting of plasma, 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. In many species, it also carries hormones and disease-fighting substances. In this category, you will find questions about the blood in your body, including blood types, blood diseases, and the function of blood.

9,936 Questions

What happens to a piece of lean meat from it enters your mouth until the amino acids it contains enter your blood stream?

as it enters the mouth it is broken down by mechenical digestion. then with the aid of the tounge it is pushed down into the oesophagus to the sttomach where it is furthur broken down chemiclly and mixeed with hydrochloric acid. it then leaves as a semi liquid substance into the small intestine where it is soluable it is absorbed. the waste is taken into the large intestine and gotton rid of

How Do I make a model of a Red Blood Cell out of paper or cardboard?

You could use a white polystyrene ball and stick in white pipe cleaners but this is just a simple idea and there is bound to be many more ideas out there. Just be imaginative.


newtest3


or to make a red blood cell model you can get a round or close to round sponge and carve out a hole in the middle and paint it red this is only one you could get a plastic salsa pot and cut the bottom out and paper mache it all the way around

Are you blood or crip?

Blood. Also b dog there can be crip

Deficiencies of what could cause abnormally slow blood clotting time?

Slow clotting time means that bleeding takes a longer time to stop. It could be caused by

- platelet deficiency or,

- insufficient/missing clotting factors

- anticoagulant therapy

Platelets (normally) are tiny disc-shaped fragments of a big cell (megakaryocyte). They form a temporary plug over the injury site. They also release certain chemicals which help with coagulation if the plug is not enough to stop the bleeding.

The condition, in what the absolute platelet numbers are less than sufficient, is called Thrombocytopenia. That could be the result of either the

- bone marrow does not make enough platelets (leukaemia, radiotherapy), or

- the platelets are destructed faster than the bone marrow makes them (immune disorders, drug therapy).

It also could the caused by

- viral infections,

- Disseminated intravascular coagulation disease

- Vitamin B12/folic acid deficiency

- menstruation.

Clotting factors are chemicals made mostly by the liver and some by the platelets.

The clotting factors are either twelve or thirteen in numbers, (depending on how number V, Proaccelerin, and number VI, Accerelin is included in the count), include four factors that the liver can only make if there is enough Vitamin K in the body.

Therefore, Vitamin K deficiency could also be one reason.

Certain bleeding disorders can interfere with clotting. They might be caused by:

- liver or renal disease, and again,

- Vitamin K deficiency,

- autoimmune diseases (Acquired Haemophilia, Acquired von Willebrand disease)

- Genetic disorders (where certain clotting factors are not made: Von Willebrand disease, Haemophilia A, and Haemophilia B, the Christmas disease)

Anticoagulant therapy

- Warfarin

- Heparin

- Aspirin

also do prolong the clotting time.

What does a borderline white cell count mean?

Over a long period of time, physicians observed that the NORMAL white blood cell count in people ranged somewhere between 5,000 and 11,000 wbc (white blood cells) per cubic millimeter ( a really small area)... There are folks whose wbc range normally will run as low as 3,500 wbc (or lower) and other folks will run as much as 12,000 - 13,000 (and higher). If you are familiar with the "bell curve", that is how these doctors figured out how to report the GENERAL (normal) range... So, it could mean that you are one of those folks whose wbc count is a little above... or below, the generally expected range of wbc's. The wbc's also will vary depending on whether you have a virus or bacterial infection, also. In viral infections, the expected wbc count goes down (it can also go up, too.)... In bacterial infections, the wbc count usually goes up above the expected 11,000. However, there are exceptions to the rule as well... In the geriatric population, the white count can go down because the (older) person's immune system is being overwhelmed by the infection. We also see that in patients undergoing chemotherapy for cancer will have their wbc count go down... again, due to the immune system being surppressed by the chemotherapy. Get's complicated, doesn't it...

Is a red line running up you L arm a sign a blood poisoning?

if the red line is following a vein up your arm comming from a cut, then yes it is possible! I had a similar thing happen to me when i was 8, i cut my hand on a metal spoke of a fence and had a red line going up my arm. my doc said it was an infection that went into my blood and scrubbed the crap out of my hand. I had to continue scubbing it for several days and mark with a marker where the red line was and keep my hand elevated. You should definitely see a doc soon

A similar thing happened to me...I noticed what looked like a Spider bite on my left arm, on the inside just opposite the elbow. I scratched it and picked at it because it was itching....it swelled up a bit. The next day I awoke to find a red line following my vein all the way up my arm to the arm pit. I went to the ER to find out it was blood poisoning, and was told that I would have been in BAD shape had I waited any longer. I was given a rather painful shot, and was released. It went away within a few days. DO go to the Doctor right away!

Why is when you poo there is blood?

it could be constipation or (unlikely) bowel cancer

What does a leukocyte esterase 1t mean?

A leukocyte esterase test measures the presence of the enzyme leukocyte esterase in urine, which indicates the presence of white blood cells (leukocytes). A positive result (often indicated as "1+" or similar) typically suggests a urinary tract infection (UTI) or inflammation in the urinary tract. However, it is not specific to infections, and further testing may be necessary for a definitive diagnosis. Always consult a healthcare provider for interpretation of test results in the context of symptoms and clinical findings.

When you find blood on your panties is there something wrong?

Bleeding after your cycle is over can be caused by a sudden drop in estrogen that occurs just before ovulation. The drop in hormones can trigger withdrawal bleeding. Spotting tends to be more common in longer cycles.

What does a white blood cell count of 48 mean?

Normal values for the hematocrit test vary according to age, sex, pregnancy, altitude where people live, and even vary slightly between various testing methods.
The following are reported ranges of normal hematocrit levels:
• Newborns: 55%-68%
• One (1) week of age: 47%-65%
• One (1) month of age: 37%-49%
• Three (3) months of age: 30%-36%
• One (1) year of age: 29%-41%
• Ten (10) years of age: 36%-40%
• Adult males: 42%-54%
• Adult women: 38%-46%
• Adult pregnant women: about 30% - 34% lower limits and 46% upper limits
• High Altitude residents: about 45% - 61% in males; 41% - 56% in females (These levels gradually average higher as the altitude where people live increases. This is a result of the increased demand for the oxygen-carrying capacity of red blood cells at higher altitudes where there is decreased oxygen concentration in the atmosphere.)
These values may vary from authorities in the field by as much as 7%.

What is the name for red cell deficiency?

Shortage of red blood cells in the blood is referred to as anemia. There are many different causes of anemia such as bleeding, iron deficiency, hemolysis, chronic diseases, immune, etc.
It is called anemia and it can be caused due to genetical or other means

What is blood without red or white blood cells?

It is still blood, just without platelets. It still contains the red blood cells and plasma, which are valuable for use even without the clotting factors.

Plasma without clotting factors is serum.

What is the term used to describe increased hemoglobin?

Elevated haemoglobin (shortened to Hb) or a raised haematocrit.

What does fbc count in haematology blood test?

Full Blood Count.

A Full Blood Count (FBC) / Haematology Profile / Complete Blood Count (CBC) is one of the most common types of blood test.

It's often done as part of a routine checkup. A Full Blood Count is also included in the Well Person, Well Man and Well Woman health checks.

A Full Blood Count measures many different parts of the blood and can help detect blood diseases and disorders including anaemia, infection, clotting problems, blood cancers, and immune system disorders.

The different parameters analysed when a full blood count blood test is requested are as follows:

Red Blood Cells

Red Blood Cells are one of the most vital components of the blood. A single drop of blood contains millions of red blood cells which are constantly travelling through your body delivering oxygen and removing waste. The cells are red because they contain a protein chemical called haemoglobin which is bright red in colour. Haemoglobin carries oxygen and gives the blood cell its red colour. The haemoglobin test measures the amount of haemoglobin in blood and is a good measure of the blood's ability to carry oxygen throughout the body.

HCT (haematocrit)

Haematocrit measures the amount of space (volume) red blood cells take up in the blood.

Red cell count

Red cell count analyses the number of red cells in the blood. Red blood cells carry oxygen from the lungs to the rest of the body. They also carry carbon dioxide back to the lungs so it can be exhaled.

MCV (mean corpuscular volume)

MCV shows the size of the red blood cells.

MCH (mean corpuscular haemoglobin)

MCH is the amount of haemoglobin in an average red blood cell.

MCHC (mean corpuscular haemoglobin concentration)

MCHC is the concentration of haemoglobin in an average red blood cell.

RDW (red cell distribution width)

RDW shows if the cells are all the same or different sizes or shapes.

White Blood Cells

White Blood Cellsare the key to the bodys immune or defence system. They fight infections and protect our body from foreign particles such as harmful germs and bacteria. White blood cells are colourless as they do not contain any haemoglobin. They are formed from the stem cell of the bone marrow and have a life-span of a few of days.

The major types of white blood cells are neutrophils, lymphocytes, monocytes, eosinophils, and basophils. Each type of cell plays a different role in protecting the body. The numbers of each one of these types of white blood cells give important information about the immune system.

Platelets

Clotting cells or Platelets are the smallest type of blood cell. They are important in blood clotting. When bleeding occurs, the platelets swell, clump together, and form a sticky plug that helps stop the bleeding. If there are too few platelets, uncontrolled bleeding may be a problem. If there are too many platelets, there is a chance of a blood clot forming in a blood vessel.

MPV (mean platelet volume)

MPV is a measurement of the average size of the platelets. New platelets are larger, and an increased MPV occurs when increased numbers of platelets are being produced. MPV provides an indication of platelet production in your bone marrow.


Source: http://www.medichecks.com/index.cfm?s=2&d=21&test=DL3

Accessed: 11 Oct 2009

What organ is responsible for such vital functions as regulating blood sugar energy production as well as hormone production and regulation?

The pancreas.
The pancreas is a gland organ in the digestive and endocrine system of vertebrates. It produces insulin, glucagon, and somatostatin which regulate blood sugar
The pancreas. beta cells secrete insulin which decreases blood glucose. and alpha cells secrete glucagon that increase glucagon.
Pancreas

Where does the blood get pumped?

The left venricular chamber of the heart is responsible for pumping the blood throughout the body

You have bowels that have blood what could this be?

you need to see an eye doctor right away man, you might just be going colour blind or racist, who would you trust: a white ant or a black ant? if you said either one you are a racist! what colour is the blue sky? if you answered pink you are correct and have clean bowels. so today i was walking along and saw a penny so i picked it up and bought Tim hortons ice cap cuz they are good, then i went to moon walkers and played with little boys and then found out that green is alergic to crayons so i said "shut up Mr. Gingavitis and then every one made fun of Barney cuz he is really black and has maggots in his head. but after i got Tim hortons i found out that it waz really wendys cuz they had the two in the same building and i cant read, but i can count to 5 and a half. so was this fun to read? did it answer your question? do you need a hug? why do you have no friends? i like wagon wheels, they have marshmallows in there chocolate. for once i was serious, but i don't think you care!

How many red blood cells are killed in human body?

RBC count ranges between 4 and 5.5 millions per cu mm of blood.In adult males it is 5 millions/cu mm and in adult females it is 4.5 millions/cu mm.

What is also known as B lymphocytes?

Lymphocytes play a role in body's natural defense. They are comprised of B cells and T cells. T cells are cellular mediators of immunity whereas B cells differentite into immunoglobulin-synthesizing plasma cells. If T cells are fighters, B cells like to 'prepare' by synthesizing antibodies to the invading antigens.