In insects, exchange of gases occurs through.
Spiracles
Gills
Lungs
Stomata
Where in the respiratory system does oxygen from the air breathed in pass into the blood?
Trachea
Bronchi
Bronchioles
Alveoli
Cellular respiration is also called __________
Internal respiration
External respiration
Both a and b
None of these
The loss of water from the leaves of plants in to the atmosphere is called __________
Respiration
Transpiration
Photosynthesis
None
The process of inhaling and exhaling of air is called ___________
Breathing
Circulation
Respiration in plants occurs in ___________
Vacuole
Cytoplasm
Mitochondria
Nucleus
Within the lungs the exchange of gases takes place in the
Fish and tadpole have a special respiratory organ called ___________
Skin
Mouth cavity
Cockroach breathe through the ___________
Air holes
Air - tubes
Cell membrane
Respiration that take place in the absence of air is called __________
Anaerobic respiration
Fermentation
Aerobic respiration