What is the main function of the human respiratory system?, To transport nutrients, To remove metabolic wastes, To supply oxygen and remove carbon dioxide, To regulate body temperature, Which of the following shows the correct pathway of air during inhalation?, Nose → trachea → bronchi → alveoli, Nose → bronchioles → trachea → alveoli, Nose → oesophagus → bronchi → alveoli, Nose → trachea → alveoli → bronchi, Which structure is mainly involved in gaseous exchange ?, Bronchus, Trachea, Alveolus, Nasal cavity, Why are alveoli efficient for gaseous exchange?, They have thick walls, They have a small surface area, They are surrounded by blood capillaries, They contain cartilage, What happens to the diaphragm during inhalation ?, Curves upwards, Does not move, Contracts and flattens, Relaxes and flattens, What is the mechanism of gaseous exchange at the alveolus?, Osmosis, Diffusion, Active transport, Transpiration, What is the function of haemoglobin in the respiratory system?, To transport carbon dioxide only, To transport oxygen from the lungs to body tissues, To produce energy, To regulate body temperature, Which of the following is a harmful effect of smoking on the respiratory system?, Increases efficiency of gaseous exchange, Cleans the alveoli, Damages the alveoli and air passages, Reduces breathing rate during exercise, What is meant by respiratory rate?, Number of heartbeats per minute, Volume of air in the lungs, Number of breaths taken per minute, Amount of oxygen in the blood, During physical activity, the breathing rate increases because, Body temperature decreases, Oxygen demand decreases, More carbon dioxide needs to be removed, The lungs become smaller

RESPIRATORY SYSTEM

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?