Respiration in plants occurs in ___________

In insects,  exchange of gases occurs through.

Within the  lungs  the exchange of  gases takes place in the

The yellowish solution containing the waste products called ____________

Respiration that take place in the absence of air is called __________

The process of producing energy from the food is called ______________

The process of inhaling and exhaling of air is called ___________

The openings of the air tubes are called ___________

Where  in the  respiratory system does oxygen from the air breathed  in pass into the  blood?

Give one word for 'the process of release of energy from food'.