Search found 142 matches

by iri_black
Wed Oct 05, 2005 1:09 pm
Forum: General Discussion
Topic: head ache
Replies: 6
Views: 3911

hunger, strain, stress...high or low blood pressure :)
by iri_black
Wed Oct 05, 2005 12:58 pm
Forum: General Discussion
Topic: hair & nails
Replies: 14
Views: 8048

It's keratine, same for everyone.
The speed of growing depends some factors....
http://www.vcbio.science.ru.nl/en/fesem/applets/hair/
:)
by iri_black
Wed Oct 05, 2005 10:43 am
Forum: General Discussion
Topic: hair & nails
Replies: 14
Views: 8048

Only the roots of hair and nails are living. The part that you cut is a protein and non-living
:wink:
by iri_black
Wed Oct 05, 2005 7:15 am
Forum: Evolution
Topic: Human senses
Replies: 3
Views: 5025

I think we would loose it. Just think at animals that live in environments like caves...they are blind, but other senses have developed to compensate. and i don't think it's possible to come up with other ways of using your eyes, they are too specialised organs :roll:
by iri_black
Wed Oct 05, 2005 6:20 am
Forum: Human Biology
Topic: Immune against coffee/caffeine
Replies: 40
Views: 34576

I'm ashamed when I see many biologists in my country act like they've never learn biology before... Anyway, 'bout your theory iri_black, I can say that there're no nicotine receptors in the cell I knew i've read about nicotine receptors somewhere.... m You should see the doctors in our country....I...
by iri_black
Mon Oct 03, 2005 9:21 am
Forum: Human Biology
Topic: Immune against coffee/caffeine
Replies: 40
Views: 34576

That's what i thought :)
by iri_black
Mon Oct 03, 2005 5:58 am
Forum: Human Biology
Topic: Immune against coffee/caffeine
Replies: 40
Views: 34576

Yes I know. Sorry. I'm trying to quit for 5 years now... :D
But does anyone has have a comment on my theory?
I discussed it with my teacher and he said I could be right
:wink:
by iri_black
Sat Oct 01, 2005 5:39 am
Forum: Human Biology
Topic: Immune against coffee/caffeine
Replies: 40
Views: 34576

This is just me, but when i'm learning i feel that smoking also helps (I know it's not healthy) and I believe it has something to do with the necotine receptors in the nervous tissue :?
by iri_black
Fri Sep 23, 2005 1:45 pm
Forum: Molecular Biology
Topic: benedicts test
Replies: 6
Views: 19394

I know Benedict's test can be used to test the presence of aldehyde also ....so maybe :?
by iri_black
Fri Sep 23, 2005 1:36 pm
Forum: Microbiology
Topic: Uses of Bacteria and Fungi
Replies: 8
Views: 40572

Nice job! I couldn't remember exactly.... :oops:
by iri_black
Fri Sep 23, 2005 6:51 am
Forum: Microbiology
Topic: Uses of Bacteria and Fungi
Replies: 8
Views: 40572

I've also heard they are trying (or maybe have already succeded) to use bacteria in mining.
by iri_black
Fri Sep 23, 2005 6:38 am
Forum: General Discussion
Topic: Sympathetic Activation
Replies: 2
Views: 17262

General sympathetic activation occurs in cases of stress, to trigger what is called "the fight or flight response" or "sympathico-adrenal response". It acts primarily on the cardiovascular system - accelerated heart rythm, raised blood pressure. It also decreases the movements of the intestine and w...