The human immunodeficiency virus is a virus that causes the acquired immunodeficiency syndrome, a condition in which progressive failure of the immune system allows even minor infections to become life-threatening.

Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

What is the cause hearing loss in human being