TOPIC 1.CLASSIFICATION KINGDOM FUNGI

As a result, the heart has to pump harder in order to supply the tissues with enough blood. The result of this is high blood pressure (hypertension). High blood pressure usually has no specific symptoms. However, it can cause headaches, dizziness and ringing in the ears.

Causes of arteriosclerosis

Arteriosclerosis is mainly caused by excessive alcohol and smoking, stress, too much fat in the jet, lack of exercise or old age,

 

Signs and symptoms of sickle-cell anaemia

Sickle-cell anaemia is characterized by fatique or excessive tiredness, shortness of breath during exercise, headaches, dark-coloured urine, abdominal pain, abnormal heartbeat and general body weakness.

Treatment and prevention of sickle-cell anaemia

Sickle-cell anaemia has no cure. It is difficult to prevent since it is inherited. However, patients can be helped by making sure that they avoid excessive physical exercise and eat a well-balanced diet that is rich in minerals and vitamins.

Leukaemia

Leukaemia is a type of blood cancer. It is caused by the over production of white blood cells and the suppressed production of red blood cells

Effects of arteriosclerosis

Arteriosclerosis causes swelling of part of a blood vessel and rupturing of the artery walls. It also causes total blockage of an artery, thus depriving some tissues of oxygen. This can cause the affected tissue to become severely damaged or to die.

Prevention and treatment of arteriosclerosis

People can prevent themselves from arteriosclerosis by avoiding alcohol and smoking, reducing stress, minimizing intake of fatty foods and engaging in regular exercise. Arteriosclerosis can be treated by medication or surgery.

Sickle-cell anaemia

This condition is a genetic disorder which causes production of abnormal haemoglobin and malformed red blood cells. The effect is a reduction of the blood's capacity to transport oxygen. The disease gets its name from the crescent or sickle shape of the red blood cells.