Plant and animal cells. Cytoplasm. Jelly-like substance, where chemical reactions happen. In plant cells there's a thin lining, whereas in animal cells most of the cell is cytoplasm. Plant and animal cells. Nucleus. Controls what happens inside the cell.Carries genetic information. In exams don't call the nucleus the 'brain' of the cell.ytoplasm. Jelly-like substance, where chemical reactions happen. In plant cells there's a thin lining, whereas in animal cells most of the cell is cytoplasm. Plant and animal cells. Nucleus. Controls what happens inside the cell. Carries genetic information. In exams don't call the nucleus the 'brain' of the cell.
Iron is rarely found in its pure form on the surface of the earth; as it tends to get oxidized when it comes in contact with atmospheric oxygen. For this reason, most of its ores are in the form of iron oxides.
IRON (AHY ern) replaces iron that is essential to healthy red blood cells. Iron is used to treat iron deficiency anemia. Anemia may cause problems like tiredness, shortness of breath, or slowed growth in children.Only take iron if your doctor has told you to. Do not treat yourself with iron if you are feeling tired.RON (AHY ern) replaces iron that is essential to healthy red blood cells. Iron is used to treat iron deficiency anemia. Anemia may cause problems like tiredness, shortness of breath, or slowed growth in children.