food digestion

Question 1

mechanical digestion

Answer 1

mouth begins the chewing of the food and break it into smaller pieces

Question 2

saliva

Answer 2

contains the enzyme salivary amylase to digest starch

Question 3

pharynx and esophagus

Answer 3

the food passes through the pharynx and esophagus to the stomach by swallowing

Question 4

stomach

Answer 4

The gastric juice, including pepsinogen and hydrochloric acid, kills bacteria and other microbes, promoting further mechanical breakdown and starting digestion of protein.

Question 5

small intestine

Answer 5

fat can be digested by bile and pancreatic juice. Enzymes from pancreatic juice and intestinal wall are also facilitating the breakdown of carbohydrates, lipids, and proteins into absorbable nutrients.

Question 6

large intestine

Answer 6

absorbs the food’s water, salts, and vitamins. It also stores indigestible material until it is eliminated as feces.

Question 7

Metabolic waste

Answer 7

urinary system, where the kidneys filter the blood, remove waste products (urea, creatinine), and regulate fluid balance.
The urinary system produces urine, which is excreted from the body through the urinary tract