Blood Definition and 334 Threads

Can anyone correct me if I am wrong? This is basic basic basic basic basic basic biology, and i am just trying to refresh my memory and make sure that i am stating the correct facts 1) General concepts about tonicity ---- Lets say for example, we have a red blood cell exposed to solutions...

The Phenophthalien(i know i can't speel) test: This one show they have a dead body, from the desert. They test a bathtub as they think the murder and blood was there. They use the pheno-blood test often. But if its in the bathtub. As pheno is just a ph indicator. Couldn't a base...

Lee Smolin's advisor was Sydney Coleman, whose advisor was Murray Gell-Mann, whose advisor was Victor Friedrich Weisskopf, whose advisor was Max Born, whose advisor was Carl Runge, whose advisors were two, Karl Weierstrass (waw Gudermann, waw Gauss) & Ernst Kummer, whose advisor was...

(a) An arteriole has a diameter of 0.029 mm and carries blood at the rate of 6.2 10-6 cm^3/s. What is the speed of the blood in the arteriole? (b) Suppose the arteriole branches into 340 capillaries, each with a diameter of 4.0 10-6 m. What is the blood speed in the capillaries? (The low...

Haemolytic disease and the rheasus blood group... Why do you get haemolytic disease in a baby ( not first baby) if the mother is Rh- and her anti D antibodies cross the placenta, yet it is fine to tranfuse Rh- blood to a Rh+ recipient, which will also contain anti D antibodies? Thanks in...

Blood groups and transfusions... I have learned that when you transfuse the wrong blood to a recipient whose antibodies work against the donated blood that agglutination occurs. eg - if you transfuse A blood to a B person, since the B person will possesses anti-A antibodies which will cause...

please help asap! :bugeye: I am not great at physics and am in an intro class for health sciences...here is my problem. A person with a blood pressure of 160/100 takes a drug that causes a 6% increase in the radius of the arterioles. Find the new blood pressure assuming no change in heart...

Hi guys, Could anyone give me a hand with this one? During exercise, 2-hydroxypropanoic acid (lactic acid) is produced in the muscles. Deduce whether the ionised or non-ionised form of this weak acid (Ka=1.4*10^-4) is mainly present at the pH of the human body (pH=7.4).

I thought this was an interesting article, in light of the Bush's accusations against Kerry... From a major Seattle newspaper: http://seattlepi.nwsource.com/connelly/192828_joel29.html edit: oops. Bold doesn't work in the thread name, does it? :biggrin: :rolleyes:

Blood supplies are critically low. Consider donating for the first or the nth time - go with a buddy. Be brave and protect our citizenry. Call the Red Cross at 1-800-GIVE-LIFE to make an appointment soon nearby. Your workplace may allow you time off. I believe that my 6+ gallons donated...

Note: Although this article is published by Jehovah's Witnesses, it is not religious. It is written in a persausive manner against transfusion but contains purely scientific reasoning. I highly suggest you read it before posting. Also you need to hit the "next page" arrow to see the article...

If you were near someone that was smoking Marjuana, and you inhaled the smoke but dident smoke it, then would it get in your system?... like say you were sitting in the same car as them. The reason I'm asking is because I'm going for a blood test soon, and i need to know. Also, how long does it...

Does a specific part of your blood carry nutrients to your body (like red blood cells carry o2), or are they just floating around free in the plasma?

Blood transfusions--from CHIMPS?! Yesterday I was watching a documentary about the close relationship between chimps and humans. I was appalled to hear the narrator explain the relationship of chimps and humans to be so close that humans could take blood transfusions from chimps. They gave a...

Blood Pressure... What exactly is blood pressure? What causes it? (ie - on molecular level) Also, why is blood pressurehigh in arteries but low in capillaries and veins? Thanks in advance.

George Patton's speech to Third Army, June 5, 1944 (Warning Language) [PLAIN]www.lizmichael.com/patton.htm[/URL] - 36k

Maybe I'm missing something here but wouldn't I need the area to solve the following problem? 1. Blood plasma has a density of 1026 kg/m^3. What is the minimum height above a vein -- in which the blood pressure is 16 torr -- that a container of blood plasma should be placed in order for the...

Do people now have any drugs for this cancer ? Thanks

I didn't realize an industry was being so aggresively developed around this. But many say companies are exploiting parents' paranoia NEW YORK - When Marla Dalton was expecting, she read the pregnancy magazines, picked up pamphlets at her doctor’s office and logged on to mom-centric Web...

http://www.catholiccitizens.org/press/contentview.asp?c=13937

http://www.wired.com/news/medtech/0,1286,62955,00.html?tw=wn_tophead_2

A question about Smokers Blood... Saw a very interesting question raised, in the local paper, the other day. Why is it that Blood transfusion Agencies allow smokers to donate blood, and it is considered "transfusably 'safe' blood", (means it's just fine to put it into you) when it has all those...

Hi all, Before I ask a Q about blood cancers, can I just check - is it right that cell division of blood cells takes place only in the bone marrow (and not in the bloodstream or anywhere else)? Thanx Charles

I'm having a problem solving two problems, wondering if someone can help me out... 1)Blood can carry excess energy from the interior to the surface of the body, where the energy is dispersed in a number of ways. While a person is exercising, 0.645 kg of blood flows to the surface of the body...

What determines the Colour of BLOOD And why the colour of insects different? I don't know Biology But i want the answer for above just to add to my knowledge

Hi i had a question wondering ok i have heard and read that most people are blood type O. Well since O is a recessive gene how is it that there are so many O types when the other ones should be dominating. I just don't understand it?

hi! nice board! 1 Q : why can't we (can we?) eliminate HIV by replacing all the blood from one's body ?

Interesting fact: The liver is an organ that filters blood that comes from the digestive tract, blood comes in one side and goes out another. Researchers wondered whether pathologies could arise when the wrong 'type' of blood enters the liver, fresh blood might have certain cell-mediators...

can anyone help me out with this question:In order to lift a wire ring of radius 2.07 cm from the surface of a container of blood plasma, a vertical force of 1.90×10-2 N greater than the weight of the ring is required. Calculate the surface tension of blood plasma from this information. I can't...

Here is the question and my solution (Which is wrong..) my question is.. where did I go wrong? A patient is to be given a blood transfusion. The blood is to flow through a tube from a raised bottle to a needle inserted in the vein. The inside diameter of the 3.97 cm long needle is 0.406 mm...

http://www.upi.com/view.cfm?StoryID=20031006-113325-5591r

Can you see this? What a God he is? The little girl just died for nothing.

last time i heard scientists were bitterly disputing whether dinosaurs are warm blooded or cold blooded.what's the latest verdict?by the way can anyone give me a sane reason why a predator like t-rex should have no use for forelimbs?

Does the Corioulis force effect our blood cycle[?]