yeraware.blogg.se - Parasite in city gallery

Tap water has been found to be contaminated with harmful organisms. Our exposure to these sources is constant. Since most of us eat three times a day and drink water frequently throughout the day, Tapeworms, for instance, can reach a length of 6 meters (20 feet).įood and water are the most common sources of parasite and invading organism transmission.

MULTI CELLULAR ORGANISMS are so large they can usually be seen with the naked eye.

SINGLE-CELL ORGANISMS tend to be at least 10 times larger than bacteria, or.

Than viruses, or at least 1 micrometer (1 millionth of a meter) long.

BACTERIA vary widely in size and shape, but tend to be at least 10 times larger.

To reproduce they need to commandeer the machinery of the cells they invade. They have so few genes and proteins of their own that in order

VIRUSES are the smallest of all infectious agents, averaging about 100 nanometers.

The approximate sizes of microbes can be approximated by using the following rule of thumb: Show us a teeming microbial world that we could barely imagine without their help. Using microscopes of varying power, photographers The Parasite Picture Gallery - Life cycles of several very common parasitesĪn extraordinary variety of viruses, bacteria, parasites, and organisms stand ready to attack us and feed