作者:SARA PICCARDI 4 年以前
252
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A microorganism is an organism so small that people cannot see them with the naked eye.
Microorganisms can be harmful and useful organisms.
Harmful microorganisms include fungi, bacteria, protozoa, etc.
They cause several diseases in human beings, animals, and plants, which can even lead to death.
The harmful microorganisms not only can damage the human body, but also the food we eat.
Microorganisms help in the production of many food items, making medicines, keeping the environment clean, in manufacturing, and in research.
Research about the main characteristics of the microorganisms and give examples!
permette all'utero di contrarsi durante il parto
consente all'intestino di spingere il cibo nel sistema digerente
pompano il sangue dalle pareti interne dei vasi sanguigni
fast-twitch
reagiscono immediatamente quando attivate (sprinter)
slow-twitch
cellule di resistenza, reagiscono e usano energia lentamente ma per periodi di tempo più lunghi (muscoli della schiena)