same thing
Yes she can and this is why the so called pull out method is not recommended and you should always use a condom.
Seminal Vesicles
Of course you can. That is what you call "chemical change". Put indicator fluid in water. You'lle see what I'm talking about.
Any colour which is not red, yellow or blue is not a primary colour. In terms of light colour, any colour which is not red, green or blue is not a primary colour.
Yes.
Semen is just seminal fluid plus semen. The path of the semen is: seminal vessicles, epididymis, vas deferens, ejaculatory duct, and urethra. The seminal fluid joins the semen in the ejaculatory duct. So they share the ejaculatory duct and the urethra.
Cowper's glands
It is called Pre-Ejaculatory Fluid or also called Cowper's Fluid.
you cannot control how much pre ejaculatory fluid comes out, the more excited you get, typically the more that comes out. squeezing also has a lot to do with it, if you squeeze hard it milks more out.
same thing
Ever think it's the grand finale?
Foamy liquid that exits the vagina during a female orgasm.
* Preseminal fluid is precum and does contain sperm. There is a 2% risk of becomming pregnant.
pair of sacs is seminal vesicles
Many men do not have pre-ejaculations, and it is usually normal. However, if there are any other alarming signs or symptoms that concerns you, then you should consult your doctor to make sure there isn't something else going on, even if you don't think the symptoms are related.
Yes, sperm are present in pre-ejaculatory fluid. Hence it is entirely possible for a woman to become pregnant even if the man does not actually ejaculate. If you want to avoid pregnancy, any contact between genitals (up to and including penetration) should only happen with protection.