The first line of defense against infection or contamination of I.V. products is by hand washing.
From the first year it self students at Hogwarts have The Defence Against The Dark Arts subject. The depth and difficulty increases year by year.
A Boggart.
the reason william the first built castles was
The epidermis is body's first defence against disease and infection. If the epidermis is completely destroyed, the body is more susceptible to bacteria.
To make lots of money by ripping off gullible people who are tricked into thinking that this product will cure their cold.
its killer T cells
what first line of defence wiil stop bacteria
To make a defense against false stalking charges. You should first ask for the proof of allegation. They will fail to prove you guilty and you will win.
The bodies first defence against a virus is your skin. The body first defense against a virus is Mucus. Mucus
There is no best defence against that movement. There are dozens of openings that start with that movement Is the most common first movement in chess and there are lots of answers to it, chek this link: http://www.chessgames.com/perl/explorer?node=21720&move=1.5&moves=e4&nodes=21720
Baldev Singh was the first Defence Minister of India.
This may or may not be what you had in mind, but the first line of defense is the skin, which keeps out pathogenic organisms. Then there is the immune system.