Roundworms cannot move very well since they only contain one type of muscle group. Roundworms are not hermaphroditic. They contain separate sexes.
Parasitic nematodes can enter the human body in many ways.
The life cycle of the parasitic nematodes are very similar. Hookworms live in the human intestine drinking the blood it sucks from the intestine wall. Below you will find a chart containing data on the number of hookworms and the amount of blood lost caused by that number of worms. In some cases the data table is blank. Patient infected with hookworms Number of Hookworms in the Intestine Amount of Blood lost per day in cc.