step 1 = digestive enzymes break down macromolecules into absorbable forms step 2 = nutrients are transported to cells & are anabolised or catabolised step 3 = catabolic pathway of TCA [Krebs] cycle & oxidative phosphorylation

Stages 1 & 2

Stages 2 & 3 (correct)

Stages 3 & 4

Stages 4 & 5