Blood is so important to life that the body constantlymakes new blood. 血液对生命十分重要,所以人体会不断的制造新鲜血液。 To do this, the body must produce the liquid part of blood, called plasma, and the cells that floatin it. 人体在造血时必须要产生血液的液体部分,即血浆,以及浮在血浆上...
Does the vagina stretch during sex? How wet does it get when you're turned on? And all your other vagina questions, answered
You'll need to fill out a donor consent form ahead of time. Make sure your family knows of your decision, and that you have it written into your will. It's also possible for your family to make the decision to donate your body at the time of your death [sources: US-Funerals, ...
Cytokines can help induce the maturation of immature T and B cells. Naïve B cells in the spleen or lymph nodes can be activated in a few different ways, but typically need a more than one step to differentiate into plasma cells that secrete antibodies against a specific antigen and therefo...
Does sperm volume really matter? Yes, it is very important no matter you want to conceive or just produce more sperm and have bigger and powerful orgasms. Let's just take a look at the recent news. Cosmopolitan asks: Can your husband produce more sperm?There are many conditions that might...
Some healthcare providers offer injections, either of collagen or platelet-rich plasma (PRP). They say those injections make the G-spot larger or more sensitive to touch than normal, which enhances pleasure. No clinical trials have thus far shown that "G-shots," or "O-shots," actually make...
A driver might be found to have a level of 0.15, for example, while the legal limit is 0.08. To comprehend how we can gain access to such precise numbers, we have to ask ourselves: how does a breathalyzer work? What do those figures mean? And how do police officers find out if ...
Despite being the body’s largest organ, the skin has been largely overlooked for its potential interactions between eumelanin and drug pharmacokinetics (what the body does to a drug; how it moves into, through and out of the body) and pharmacodynamics (what a drug does to the body; the ...
Combinations of unique sources of ignition and particular fuels can enhance the firepower. Yet, this can be a weakness, as dragons aren't fireproof on the inside; an alert dragon can ignite another's fuel the moment before the dragon itself does, causing the fuel to burn inside the dragon....
Why does my neck look older than my face? It’s just one of those things. The neck is more likely to show signs of ageing that the face, and also most of us didn’t learn to look after our necks at a young enough age. If we had been scrupulous about applying supportive serums, ...