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 dixode that would accumulate in the tissues.

Answer 1

Answer:

Internal respiration may be defined as

(a) breathing in and releasing of oxygen in the tissue

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Answer 2

Answer:

d))

Explanation:

internal respiration is the exchange of gases between the cells and the blood