Multiple choice

The process in which the digested food passes through the intestinal wall into blood stream is called _____.

  1. digestion

  2. ingestion

  3. absorption

  4. assimilation

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Absorption is the process where digested nutrients pass through the intestinal walls into the bloodstream. This is distinct from digestion (breakdown), ingestion (taking in), or assimilation (cellular use).