Internal respiration may be defined as:
(a) breathing in and releasing of oxygen in the tissue
(b) the oxidation of food substances to release energy
(c) the building up (synthesis) of complex substances
(d) getting rid of carbon dioxide that would accumulate in the tissues.

Question

Internal respiration may be defined as:
(a)	breathing in and releasing of oxygen in the tissue
(b)	the oxidation of food substances to release energy
(c)	the building up (synthesis) of complex substances
(d)	getting rid of carbon dioxide that would accumulate in the tissues.

MyClass24 · Accepted Answer

(b) The oxidation of food substances to release energy
Internal respiration may be defined as the oxidation of food substances to release energy.

Internal respiration may be defined as: (a) breathing in and releasing of oxygen in the tissue (b) the oxidation of food substances to release energy (c) the building up (synthesis) of complex substances (d) getting rid of carbon dioxide that would accumulate in the tissues.