What is the primary purpose of the liver in aiding digestion?

Three major classes of macronutrients required in the diet are:

Metabolism is the breaking down of large food molecules into smaller molecules that can be absorbed by the cells.

Which of the following are considered micromolecules?

What mouth part helps mix food with saliva, moves food towards pharynx for swallowing, & houses taste buds?

This macronutrient is used to supply energy, build cell structure, make hormones, & aid in the absorption of vitamins A, D, E, & K:

Digestive secretions are primarily regulated by:

Which of the following is a major intracellular cation that is important for nerve conduction and muscle contraction?

One of the major functions of the large intestine is to:

Maltase is a small intestine digestive enzyme that breaks down lactose.