Explore the fundamentals of cancer, including its causes, different types, available treatments, and how metastasis occurs. Gain insights into the biological processes driving tumor growth and spread.
Tar in cigarette smoke contains carcinogens that increase the risk of lung cancer.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Phagocytosis is the process by which immune cells, such as neutrophils and macrophages, engulf and destroy pathogens.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
T-cytotoxic cells (CD8+ T-cells) play a central role in cell-mediated immunity by destroying virus-infected and cancerous cells.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Cancer cells lose the property of contact inhibition, allowing them to grow uncontrollably and invade surrounding tissues.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Type I hypersensitivity reactions, mediated by IgE, lead to anaphylaxis, which is a severe allergic reaction.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Morphine is a narcotic analgesic that is used to relieve severe pain, especially in post-surgical patients.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Memory B-cells provide long-term immunity by recognizing and responding to previously encountered pathogens.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Leukemia is a type of blood cancer characterized by uncontrolled proliferation of abnormal lymphocytes.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Malignant tumors exhibit metastasis, meaning they spread to distant organs through the blood or lymph.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Leukemia is a type of blood cancer in which abnormal white blood cells multiply uncontrollably.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
IgA is primarily found in mucosal secretions and is not the most abundant antibody in the bloodstream; IgG is the most abundant in blood.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Thymosin, secreted by the thymus, promotes the development and differentiation of T-lymphocytes.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
