BAIER: Now, does Secretary Clinton factor into this? SCHWEIZER: For that deal to go through, it needs federal government approval and one of those people that has to approve that deal is Secretary of State Hillary Clinton.
An antigen is any foreign substance which invades the body of an organism, while a pathogen is a living antigen (such as viruses or bacteria) which invade an organism. Many different kinds of white blood cells exist which are able to help the body fight foreign invaders in various ways.
A sperm cell is the male sex cell. All animals (and many other types of organisms) produce what are called sex cells. Sex cells, are the cells, that when combined, produce a completely new organism. For example, your mother and every other human female, carry egg cells (female sex cells) in their ovaries.perm, short for spermatozoon, is the male sex cell and, like the female egg cell, carries half of the DNA, or biological information, necessary to determine not only the type of organism, but also its characteristics. When the sperm cell and egg cell unite, an embryo is formed.