21 public questions tagged with this topic.
Hemoglobin plays a role in transporting both oxygen and carbon dioxide in the blood.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
Hemoglobin binds with oxygen in the lungs and transports it to body tissues.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Lymph and Circulatory Pathways
Hemoglobin in RBCs binds with oxygen for transport to body tissues and also helps in CO₂ transport in the blood.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood - Plasma and Formed Elements
Erythrocytes (RBCs) contain hemoglobin, which binds with oxygen and facilitates its transport.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood - Plasma and Formed Elements
Hemoglobin binds oxygen in RBCs and also helps transport carbon dioxide.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood - Plasma and Formed Elements
High pCO₂ and high H⁺ concentration reduce hemoglobin’s affinity for oxygen, promoting oxygen unloading in tissues.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Carbon dioxide is 20-25 times more soluble in plasma than oxygen, which facilitates its efficient transport.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Transport of Carbon Dioxide and Regulation of Respiration
Oxygen dissociation from hemoglobin is influenced by factors such as pH, pCO₂ levels, and temperature, known as the Bohr effect.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Exchange of Gases and Transport of Oxygen
Oxygen binding to hemoglobin is reversible, allowing efficient oxygen loading in the lungs and unloading in tissues.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Exchange of Gases and Transport of Oxygen
Nitrogen does not influence hemoglobin’s affinity for oxygen, unlike pO₂, pH, and temperature.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Exchange of Gases and Transport of Oxygen
Hemoglobin in red blood cells (RBCs) binds oxygen for transport, carrying approximately 97% of total oxygen.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Exchange of Gases and Transport of Oxygen
Heart rate does not directly affect the rate of gas diffusion in the lungs. Factors such as partial pressure gradient, membrane thickness, and gas solubility play a key role.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Exchange of Gases and Transport of Oxygen
