Question

Combustion reaction in our body takes place in which glucose is burnt to generate energy that we
use. This exothermic process is commonly known as
(i) Digestion
(ii) Excretion
(iii) Respiration
(iv) Circulation
​

Answer 1

Answer:

respiration

Explanation:

this process includes release of energy by utilizing the oxygen we take.

Answer 2

Answer:

(iii) Respiration

Explanation:

Glucose is burnt in every cell of the body by the utilisation of oxygen in the mitochondria.

It happens in every cell of the body , hence ,it is also called cellular respiration.

Hope it helps.

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