How can vampires survive from humans???

http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=vampires

Vampires are mythical creatures. You can use your imagination and write up just about anything you want. They are not real creatures; therefore, you can make up anything you want!!

http://www.jiskha.com/display.cgi?id=1289607721

Vampires are fictional creatures often depicted as needing to consume human blood to survive. While there is no scientific evidence to support the existence of vampires, they are commonly found in myths, legends, and popular culture.

To answer your question, imagining a hypothetical scenario where vampires exist, there could be several possible explanations for how they survive from humans:

1. Blood consumption: In most vampire lore, vampires rely on feeding on the blood of humans to sustain themselves. They possess unique physiology, such as elongated fangs, which allow them to puncture the skin and extract blood. The blood contains essential nutrients that vampires need to survive.

2. Immortality or longevity: Vampires are often portrayed as immortal or having a significantly extended lifespan compared to humans. This longevity could allow them to survive without constantly needing to feed on humans. It's plausible that they have evolved or been created with an exceptional metabolism or regenerative capabilities.

3. Alternative sources of sustenance: Some vampire narratives present alternatives to human blood for survival. For example, some vampires may be able to consume animal blood, which could be less morally objectionable or provide a temporary substitute in times when human blood is scarce.

It's important to remember that vampires are fictional and can vary greatly in their abilities and limitations depending on the specific lore or story they appear in.