Which sensory organ is involved in vertigo(sensation of oneself or objects spinning around)?

Which organ is involved in reflex action?

Which cells of the retina enable us to see coloured objects around us?

What is the chemical nature of biogas?Name an organism which is involved in biogas production.

Respiration is an energy releasing and enzymatically controlled catabolic process which involves a step-wise oxidative breaksown of organic substances inside living cells. In this statement about respiration explain the meaning of Organic substances (used as substrates).

Respiration is an energy releasing and enzymatically controlled catabolic process which involves a step-wise oxidative breaksown of organic substances inside living cells. In this statement about respiration explain the meaning of Step-wise oxidative breakdown