Answer:
parietal and occipital cortices
Explanation:
Quick answer: Food enters the human digestive system through the mouth before then moving through the pharynx, esophagus, stomach, intestines, rectum and anus.

- The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.
Example : Fats
- functions of carbohydrates in the body are to provide energy, store energy, build macromolecules, and spare protein and fat for other uses.
Example : Glucose
- Nucleic acids function to create, encode, and store biological information in cells, and serve to transmit and express that information inside and outside the nucleus.
Example: DNA
- .Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, responding to stimuli, providing structure to cells and organisms, and transporting molecules from one location to another.
Example: Keratin
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Red cells take up 40%-50% of the total blood volume