Latest questions in this category.
Insects use a network of tracheal tubes to transport atmospheric air within their body for respiration.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
The respiratory rhythm center in the medulla oblongata controls the basic rhythm of breathing.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Silicosis is not a genetic disorder; it is caused by prolonged inhalation of silica dust.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
The normal respiratory rate in a healthy resting adult is around 12-16 breaths per minute.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Silicosis is not an allergic reaction; it is an occupational lung disease caused by prolonged exposure to silica dust.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Carbon dioxide is the primary stimulus for respiration as it affects blood pH and triggers the respiratory center in the medulla.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Asthma is a respiratory disorder caused by the inflammation of bronchi and bronchioles, leading to difficulty in breathing and wheezing.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Silicosis is a chronic occupational lung disease caused by prolonged exposure to silica dust.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
The diffusion membrane in alveoli is much thinner than 1 mm, allowing efficient gas exchange.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
Silicosis is an occupational respiratory disorder caused by prolonged exposure to silica dust, leading to lung fibrosis.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
The epiglottis is a thin cartilaginous flap that covers the glottis during swallowing, preventing food entry into the respiratory tract.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
A healthy adult breathes approximately 12-16 times per minute under normal conditions.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Disorders - Asthma Emphysema Occupational Disorders
