If the position of a body is not changing with respect to a given frame of reference, the body is said to be at rest, motionless, immobile, stationary, or to have constant (time-invariant) position. An object's motion cannot change unless it is acted upon by a force, as described.
Giardia in Humans. Giardia is a microscopic parasite responsible for the diarrhea-related illness giardiasis. Also known as Giardia intestinalis or Giardia lamblia, this organism begins to multiply within the intestines after a person becomes infected.For more details on symptoms of giardiasis, treatment options, and different ways in which humans can become infected with this parasite, click Giardia.).
The symptoms of Giardia infection can vary in intensity form person to person. Many people may have no symptoms at all. Giardia infection can result in the symptom of diarrhea that lasts ten days or more.Diarrhea may be explosive and very foul smelling. There may also be abdominal pain, nausea, vomiting, fever, chills, bloating, gas, and weight loss.Complications of Giardia infection include severe dehydration due to the loss of fluids and electrolytes from diarrhea and vomiting.iarrhea may be explosive and very foul smelling. There may also be abdominal pain, nausea, vomiting, fever, chills, bloating, gas, and weight loss. Complications of Giardia infection include severe dehydration due to the loss of fluids and electrolytes from diarrhea and vomiting.