90% of abortions in Canada are performed during the first 12 weeks of pregnancy, and just over 9% of abortions take place between 12 and 20 weeks of gestation.A mere 0.4% of abortions take place after 20 weeks of gestation. These are considered late term abortions.0% of abortions in Canada are performed during the first 12 weeks of pregnancy, and just over 9% of abortions take place between 12 and 20 weeks of gestation.
Flag for inappropriate content. Human is a complex organisms because humans are made up of trillion of cell and a lot of system and organ .Some of the major systems are blood circulatory systems, the skeletal system, the digestive system, the nervous system and the respiratory system. Most of which are grouped into organ systems that have specialised functions.
A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.rotozoa. Protozoa are microscopic, one-celled organisms that can be free-living or parasitic in nature. They are able to multiply in humans, which contributes to their survival and also permits serious infections to develop from just a single organism.