Introduction Cancer is a generic term for a disease that can affect any part of the human body. Other terms are also used for cancer: malignant tumours and neoplasms. A distinguishing feature of cancer is the rapid production of abnormal cells that can grow beyond…Read more
Our Immune System The immune system defends our body against infection means it protects our body against outside invaders like bacteria, fungi, viruses, and toxins (chemicals produced by microbes). The immune system is a network of biological processes and protects our body from diseases. Without…Read more
