Question

Which of these is the correct sequence in the process of digestion?

• A. Digestion $\to$ Ingestion $\to$ Absorption $\to$ Excretion
• B. Excretion $\to$ Absorption $\to$ Ingestion $\to$ Digestion
• C. Ingestion $\to$ Digestion $\to$ Absorption $\to$ Excretion
• D. Ingestion $\to$ Absorption $\to$ Digestion $\to$ Excretion

Answer 1

The correct option is C

Ingestion $\to$ Digestion $\to$ Absorption $\to$ Excretion

Digestion process involves the following steps -
$\bullet$ Ingestion or the process in which food is taken in the body.
$\bullet$ Digestion or the process in which complex food particles are broken down into simpler substances.
$\bullet$ Absorption or the process in which the digested food is absorbed into the body.
$\bullet$ The byproducts of metabolic reactions which are not useful for the body are eliminated through the process called excretion.