Biology

Smaller the animal

Respiratory surfaces in higher animals like skin, gills or lungs are used for

Smaller the animal

Respiratory system provides the fundamental ability to

In hydra, planaria and earthworm the exchange of gases occur through

The process responsible for energy production in animals is

Which of the following process takes place during gaseous exchange in respiratory surface

Respiratory surface must be permeable, thin having large surface area and good supply of

Respiratory system provides the fundamental ability to:

In hydra, planaria and earthworm the exchange of gases occur through the: