organic and inorganic compounds found in the body & phases of digestion

nutrients

carbs, proteins, fats, etc.

food

source of energy and materials

digestive system

breaks down food in its simplest form

maintenence of good health

needed for growth, development and repair

mouth

start of physical breakdown

chewing and mixing food, turning it into chyme

pharynx & esophagus

passage of food aided by perstalsis

perstalsis

muscle contractions that aid food down the esophagus

small & large intestines

churning & mixing food with digestive juices

absorption of water

rectum

temporary storage of waste

anus

defecation or egestion of feces

nutritional deficiencies

undernutrition & overnutrition

ingestion

intake of food in the body; physical

digestion

process of mechanical and chemical breakdown

large food molecules are broken down into simpler molecules that can be absorbed by the body cells

absorption

digested food materials are absorbed by the body cells

assimilation

transport and the use of the absorbed nutrients by the cells to provide energy to our body

egestion/elimination

passing of undigested materials out of the digestive tract