Today’s Agenda Finish Small Intestine WS and Lab Obj. 14: Large Intestine Large Intestine Disorders.

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Presentation transcript:

Today’s Agenda Finish Small Intestine WS and Lab Obj. 14: Large Intestine Large Intestine Disorders

Obj. 14: Structure & Function of Large Intestine Functions include: a. Absorption of water b. Absorption of electrolytes c. Absorption of vitamins (B&K) made by bacteria d. Defecation

Obj. 14 (cont.) Defecation is triggered by feces entering the rectum. The walls of the rectum contract to move stool. Movement is aided by the Valsava maneuver. In this maneuver we close the glottis, contract the diaphragm and abdominal walls to create pressure distally.

Today’s Agenda 3/5 Notes on Nutrition –Obj. 15 Notes on Metabolism –Obj. 22 Meal Planning Activity

Obj. 15 Calorie: The amount of energy required to raise the temperature of one gram of water one degree Celsius. Metabolism: Sum total of all chemical reactions occuring in a body cell. –May be anabolic (building) or catabolic (breaking down.)

Obj. 15 Nutrient: A substance present in food that is used by the body to promote normal growth, maintenance, or repair.

Obj. 15 Nutrients & Their Sources Carbohydrates: –Cereals –Grains –Bread –Pasta Digested in mouth & Sm. Int.

Obj. 15 Nutrients & Their Sources Lipids: –Animal products –Dairy –Nuts –Fats, Oils & Butter Digested in Sm. Int.

Obj. 15 Nutrients & Their Sources Protein –Meats, Nuts, Fats, Oils & Butter Digested in Stomach & Sm. Int.

Obj. 15 Nutrients & Their Sources Minerals –Various Sources Absorbed in Sm. Intestine

Obj. 15 Nutrients & Their Sources Vitamins –Various Sources Absorbed in Sm. Int. & Large Int.

Obj. 15 Nutrients & Their Sources Water –Most Food Substances Absorbed in Large Int.

Name the 6 Essential Nutrients Carbohydrates Lipids Protein Vitamins Minerals Water

Where would _____ be digested & absorbed? Turkey Watermelon Chick-fil-a Chicken Biscuit Spaghetti noodles An egg Hershey Chocolate Bar Spinach

What’s Metabolism Again?

Sum total of all chemical reactions occuring in a body cell.

What’s Metabolism Again? Sum total of all chemical reactions occuring in a body cell. What chemical reactions can you think of that occur in cells?

Obj. 22: Metabolic Rate Basal Metabolic Rate (BMR): Rate at which energy is expended (heat produced) by body per time unit under controlled conditions. Energy needed to perform basic activities

Obj. 22 (Cont.) Total Metabolic Rate (TMR): –Total rate of kilocalorie consumption to fuel all ongoing activities---voluntary & involuntary –Bulk of TMR is BMR

Does energy for _____ contribute to BMR or TMR? Exercise done in an aerobics class Breathing Kidney Function Taking notes in class Cellular Respiration

Meal Planning Activity