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The process by which gases are exchanged between the body and surrounding is called
The food material used to release energy in body cells is
Anaerobic respiration is also termed as
Fishes in aquarium are seen moving their mouth repeatedly because
In man, which of the following structures is analogous to the spiracles of cockroach?
In man nostrils are analogus to spiracles, through nostrils air enters into nasal cavity. Nostrils consists of fine air and lined with mucus. Hair filters the air from dust particles.
To prevent the entry of food into the trachea, the opening is guarded by
Respiratory membrane should be
Respiratory membrane should be semipermeable to allow exchange of gases.
The narrowest and most numerous tubes of lungs are termed as
The bean - shaped cells of stomata are called
The number of guard cells forming a stomata is
The actual site of gaseous exchange in respiratory system is
The actual site of gaseous exchange in respiratory system is alveoli. Alveolus are richly supplied with blood capillaries permeable membrane which allows exchange of gases through it.
The trachea is prevented from collapsing by
In cockroach the tracheal system opens in the outside through
Which of the following diagram correctly illustrates the passage of oxygen in the respiratory system?
Gills are used for
Gills are the respiratory organs in aquatic animals. Gills are richly supplied with blood vessels when water enters into the bronchial chamber dissolved oxygen from the water is absorbed.
The short tube leading from the nose is
Lactic acid accumulation leads to
Lactic acid accumulation leads to muscle fatigue. It is also called as muscle cramp, due to the insufficient supply of oxygen.