DESCRIPTION The antibiotics are chemical sustances

that kills bacteria or slows the growth of bacteria. They are used

as medicines to cure diseases caused by bacteria. Antibiotics are not used for viruses. Penicillin, the first natural antibiotic, is produced by a fungus.

WHEN, WHERE AND WHO On the morning of September 22nd of 1928, in the

hospital of S.T. Mary,London, the professor Alexander Fleming was doing many experiments, and when he wanted to destroy some experiments he discovered the Penicillium.

They have secondary effects. ·They cure diseases.

They cost a lot of money.

DISADVENTAGES-ADVENTAGES

How things were done beforeThe people live better with the antibiotics.Before the antibiotics manypeople dead.Now, the people not die withthe antibiotics.

WHAT CHANGE IT HAS PRODUCED IN THE WAY OF LIVE, ENVIRONMENT…

Many lives are good now because the people have antibiotics in their houses, in the shops...

CURIOSITIES·Alexander Fleming discovered the first antibiotic

from Penicillium.

·The name of the first antibiotic was Penicilina.

·If we take antibiotics when is not necesary, the

bacteria can be resistant.If we have sore throat or ear infections, sometimes

we need antibiotics.

THE ENDANTIBIOTICS

ANTIBIOTICS

PENICILLIN