For a long time, no one knew that plants and animals were made of. ... Scientists used the microscope to study plants and animals. ... By using their microscopes, they found that every living plant and animal they examined was made of cells. ... All cells come from other cells. ... Each organ in each system depends on other organs for the body to function properly. ...
These cancerous cells hinder many of the basic functions of the blood. Red blood cells are prevented from transporting valuable oxygen to all major organs in the body. ... Other unproven factors included toxic waste and nuclear power plants. ... Radiation therapy may also be useful to control symptoms when local cancer growths cause pain as a result of pressure on bone or nerve, or when the function of vital organs such as the bowel, or respiratory system are involved. ... The cells are then transplanted into the patient to increase the amount of natural blood cells in the body. ...
Its main functions is to regulate breathing, digestion and sweating. ... Its functions is to absorb water. ... The spleen stores, releases and recycles blood cells. ... The female reproductive organs are the ovaries, the oviducts(where fertilization occurs), uterus(where the embryo is planted) and the vagina) where the baby exits. The execratory systems function is to eliminate waste in the body. ...
