1/7/1482nd Day of School

Learning goal (7.L.1.4): I will be able to list the six types of nutrients and how they are processed by the digestive systemDue Today: nutrient/digestion chartsEvening Assignment: Finish digestive system page

Do Now

1/7/14On the slip of paper, write your name, date, and answer the following without looking at your textbook or computer.

1. List the 6 nutrients.2. Give an example of a food source for

each one.

Digestive System due by 1/8/14

Overall Functions of the Digestive System• Digests food into nutrients• Absorbs nutrients into the blood stream• Eliminates solid waste (feces) from the

body

Describe Function of the Parts• Teeth• Salivary glands• Epiglottis• Esophagus• Stomach• Small Intestine• Large Intestine• Pancreas• Liver• Gall bladderNutrient Description Chart

Nutrient Digestion/Absorbtion Flow chart

Sketch of the Digestive System

McDougall, p. B49

Nutrients

Substance Description Food SourceCarbohydrates Provides energy for the

muscles, nerves, & the brain.

Fruit, milk, potatoes, rice, corn, pasta, cereals, & bread

Fats Provides energy & “fatty acids”, and helps digestion.

Oils, salmon, meat, dairy products, & egg yolks.

Proteins Builds & repairs cells, fights infection, & makes blood strong.

Meat, eggs, poultry, fish, dairy products, nuts, beans & lentils.

Vitamins Essential for growth & health, facilitates and regulates body processes.

Fruits, green & yellow leafed vegetables, dairy products, eggs, fish, legumes.

Minerals Regulates body processes: iron – oxygen in blood & calcium – in bones

Dairy, vegetables, fish, seafood, red meats, nuts, eggs, grains, salt, soy sauce.

Water Transports, carries waste away, & aids in digestion.

Water, beverages, fruits & vegetables.

Food/Nutrient Processing

Mouth: Food is mechanically digested by teeth. Carbohydrates are chemically digested

by amlyse in saliva

Esophagus: Mechanically digests food through peristalsis.

Stomach: mechanically digests food through churning. Pepsin and hydrochloric

acid digest proteins.

Small Intestine: chemicals from the pancreas, liver, and small intestine

chemically digest carbohydrates, proteins, and fats. Most nutrients are absorbed into the

blood stream.

Large Intestine: absorbs water and minerals. It also stores solid waste (feces) for

elimination from the body.

Pancreas: produces amylase, trypsin, lipase

Liver: produces bile which digests fats in the small intestine. Bile is

stored in the gall bladder.

Use the textbook (McDougall p. B45-50, Prentice Hall p. D82-87) and/or Internet to make a flow chart describing how the parts of the digestive system process food and nutrients. Include the type of digestion (chemical or mechanical) and any chemicals involved in digestion. **Put flow chart on your digestive system page**

McDougall, p. B49

Nutrient DigestionPrentice Hall p. D86

Evening Assignment

Tonight• Complete digestive system page.