yes, computers cost allot. price is at $150-$1000.
it is sickness
The bodies first defence against a virus is your skin. The body first defense against a virus is Mucus. Mucus
The body's defense system is the immune system.
the body's second line of defense against pathogens is the B cells.
it is sickness
coughing
The body's first line of defense against infection is the skin.
skin is the first defense.
the body's second line of defense against pathogens is the B cells.
viruses and tumor cells
At this time, none has been found.
The thymus gland