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Health Discussion Forum

 which one of the 5 senses u think u couldn't live without?
why?
Additional Details
hear
smell
taste
feel
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 Do you regret starting smoking? At what age did you start?
...


 What do you think are signs that you're are an adult or getting older?
For men, I think its making noises whan you bend/sit down. Also becoming fascinated by tool ...


 I get in trouble a lot because...?
I tend to laugh at inappropriate times at inappropriate things. I've had several times when it's really gotten me into a lot of trouble. I had a HORRIBLE incident at a funeral once...I ...


 what's a good way to treat mild depression without taking anti-depressants?
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 how to pass a marijuana drug test?
...


 I've sneezed 19 times today (and no im not kidding). Is this normal...or what?
I wanted to see how many times i sneezed today (yea i kno,WEIRD lol) bcuz yesterday and a couple days b4 that, ive been sneezin a whole bunch. Wat the heck is my problem?...


 Ever been electrocuted?
what happened?...


 People that smoke so much weed talk alot, but when they don't get it they act different WHY?
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 How can I stay awake / Not be tired, is there some kind of medicine?
I know this sounds really bad but it isn't... I'm not trying to abuse drugs to stay awake 24/7.

I am getting really tired at 6 in the evening and I need something to stop me from ...


 How do i keep myself awake all night?
Me and my friend are having a sleepover and have decided to do an allnighter... Its already 2:00am and were getting tired already and need to think of ways to keep us awake! Can you help us?...


 what is this smell that is coming from my body?
i think the smell is coming from my buttox. its usually when i eat my mother-in-laws sisters uncles brothers tacos. it makes a noise like a fog horn. usually when it happens people give me dirty ...


 I have a friend who needs to pass a drug test, but they had their first few hits of weed 3 weeks before...?
Ya so, my friend Brianna wants to try out for soccer that's about 3 weeks from now. She had 4-5 puffs of weed and wants to pass her physical you have to get in order to try out.

H...


 please please please help me!!!?
ok this morning i when i woke up i was freezing cold. when i was all ready i got this GIANT headache. so i took a couple of advil. when i went into my bedroom, and all of a sudden i had this really ...


 how do you get a day off school?
i can't go to school tomorrow, im so behind in everything because im always so busy! i just need a day to catch up on everything.

any illnesses you can think of ?
ahah thanks.<...


 AAAAH! What's wrong with my eye!!!?
Yesterday my eye was sore whenever i touched it, well actually my eyelid. It happened before to my other eye. Today it got swollen and went down later in the day and right now I touched the eyelid ...


 tips for staying up all night and all day?
i have an essay due tomorrow and i need to finish it and type it up. i will probably be up till 3 or 4, and get only 4 hours of sleep. and then i will have to go to school. is there ways to keep me ...


 Have you ever tried smoking weed in your life?
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 what to eat when you have a really upset stomach?
i think i got it because i ate McDonald's 2 or 3 hours before bed last night and i very rarely eat fast food and it was before bed.. :/
i had a double cheeseburger; fries; and a orange hi-...


 How many times a day should you go to the toilet?
My friend said that she only goes to the toilet once a day but i go like 4 or 5 times!...



Smart-Baby!
Is blood actual blue?
My friend Raven said that blood is blue,
But when it touches oxygen it goes red.
Is that true?
                      








Kara D
Rating
Deoxygenated blood is indeed blue. Look at the veins in your wrist.
Oxygenated blood turns red. Hemoglobin produces this effect in the blood.


FredA
Rating
That explains why veins are blue.


ThAt GiRl WhO lOvEs To RiDe
i think soo.... o.0 lol ive heard that soooooooooo many timez


selksentire
Rating
yes it is true, my good man.


Raquel
Rating
I have learned something new today, my friends.


james
some is


Single.And.Proud!!!!
Yes, Blood is actually a light blue, and once it comes in contact with Oxygen it turns a dark red. So When you cut yourself, the blood starts off as blue but the platelets turn red because of the substance of Oxygen that it has never been in contact with before.


Connor
Yeah, totally correct, blood is blue before it is oxidised. That is why if you can see your veins, they are blue, not red.


Ashlee
Rating
Yes Its true Look it up :)


Izzy
yeah


Paul
yes i have had a cut before were i could still see the blood was blue for about a second or 2


Daniel
My friend Owl said that Raven is correct


Julia
thats why the veins in your arm are blue. and yes, when its exposed to oxygen, it turns red.


mlbruno93
Rating
Deoxygenated blood (blood without oxygen) is indeed blue, that is in you veins.
And oxygenated blood (blood with Oxygen) is red, found in the arteries


preprambler78
yea that's true


km00123
yep, it is oxygen poor blood, so the air enriches the blood with oxygen :)


Alvaro R
Rating
When the red blood cells absorbs oxygen it turns red and yes it true.


Kaley Walsh
Rating
yes


Nichole
Rating
Yes, however your veins in your arm are covered by several layers of skin, so you cannot actually get the full effect..


Raina x
it is true, in the heart there are two passage ways. Passage way one, non oxygenated blood (blue blood) enters the heart and passes through the main canal, where oxygen is put into the blood, turning it red. Passage way two, oxygenated blood (red blood) enters the heart and passes through the opposite way of the canal, where oxygen is taken out of it, making it blue blood. Of course, when you look at your veins, you see blue blood coursing through. That blood is the blood that either does not pass through the main canal, or has already been deoxygenated OR it has not been deoxygenated yet. (I'm not entirely positive on that last matter...my memory is a little shaky in that department). But the answer you're looking for is yes, you're friend is correct.


LaAn
Yes and no. It's blue in a VEIN. Veins are blue for that reason. Arteries are red. They carry oxygen filled blood to areas of your body, then the veins carry the blood back to the heard, oxygen free, to go through the cycle again.


SethSpeaks
Rating
Blood in your veins is bluish.. more like purple really... and blood in the arteries where is it oxygenated is bright red.


Infinity
And when it 'touches' nitrogen it becomes polka dotted


Me1982
No. Plain and simple. Google an anatomy web site, or just google is blood really blue if you don't believe me!


SlyCat
Lol are people still asking this question? Blood isn't blue, it's commonly mistaken as blue because some of your veins are blue but in fact it's a very dark shade of red, so dark that when it goes through the clear tube of your veins it causes it too look blue. Your veins are what causes your blood to look blue plus through the skin, I thought people would know that by now. When it hits air it turns into a lighter shade of red.


crafty
Rating
No, arterial blood is a brighter red when it is oxygenated in the lungs. When it returns by the veins, it is a darker red, not blue.


Darth Revan
Rating
no. it is red. your vains appear blue through your skin.


Quinn the Eskimo
Rating
Human blood is red, ranging from bright red when oxygenated to dark red when not. It owes its colour to hemoglobin, a metalloprotein compound containing iron in the form of heme, to which oxygen binds. There exists a popular misconception that deoxygenated blood is blue and that blood only becomes red when it comes into contact with oxygen. Blood is never blue, but veins appear blue because light is diffused by skin. Moreover, the blood inside is dark red and exhibits poor light reflection. From a physiological perspective, veins and arteries appear similar when skin is removed and are seen directly.

IF YOU DON'T BELIEVE ME LOOK IT UP!


Spanki
Rating
No it's not. All blood is red. Simple as that. Everybody answering this question has NO idea what they're talking about


mrsrpattz
Rating
No, it just appears to be blue in your veins because of the vein or because it is lower in oxygen. However, all blood is red, even before hitting air.


Nikki
Rating
It is NOT blue. Deoxygenated blood is a darker purplish-red and appears blue in the veins, but is not. Watch the next time you have to have blood drawn. That blood is being drawn from veins, and is going into a vacuum tube (meaning there is no air in said tube) DIRECTLY from your veins. Air doesn't touch it, and you'll note that the tube will be full of dark red blood.


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