19 public questions tagged with this topic.
Neutrophils are the most abundant WBCs, constituting about 60-65% of total leukocytes. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
Leukemia is a cancer of white blood lls, leading to their excessive production. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.
Nitrogen does not influence hemoglobin’s affinity for oxygen, unlike pO₂, pH, and temperature. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.
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
Erythropoietin, secreted by the kidneys, stimulates the bone marrow to produce red blood cells.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Pancreas - Insulin Glucagon and Diabetes
Mature RBCs lack a nucleus, which increases their space for hemoglobin and oxygen transport.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
Thrombocytopenia is a condition where platelet count is low, leading to excessive bleeding.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Regulation and Disorders of Circulatory System
Most WBCs have a shorter lifespan than RBCs, except for some memory lymphocytes that persist for years.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Lymph and Circulatory Pathways
Basophils are granulocytes, along with neutrophils and eosinophils, and play a role in inflammatory responses.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Lymph and Circulatory Pathways
The spleen breaks down old and damaged RBCs, hence called the "graveyard of RBCs."
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood - Plasma and Formed Elements
Hemoglobin contains iron, which binds to oxygen for transport in the blood.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood - Plasma and Formed Elements
RBCs have a lifespan of around 120 days and are responsible for oxygen transport.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood - Plasma and Formed Elements
