Question

Internal respiration/cellular respiration is

a.the oxidation of food to release energy.
b.breathing in and releasing oxygen in the tissue.
c.the synthesis of complex substances.
d.transporting out CO2 from tissues.

Answer 1

Answer:

a. the oxidation of food to release energy

Explanation:

Internal respiration or cellular respiration us the oxidation of food substances to release energy.

Internal respiration is the metabolic process of diffusing oxygen from the blood, into the interstitial fluid and the cells. It is also known as cellular respiration since oxygen diffuses out of the blood and C02 oozes out of the cells.