Life Science Chapter 15 Test Review Answer Key

Life Science Chapter 15 Test Review Answer Key

1.     Carbohydrates, fats, proteins, vitamins, minerals, & water.

2.     Minerals

3.     The amount of energy it takes to raise one gram of water one degree Celsius.

4.     Oils

5.     2,000

6.     Break down food, absorption, & elimination of wastes.

7.     Absorb nutrients

8.     Water is absorbed into the blood stream and wastes are readied for elimination.

9.     Use it in small amounts.

10.  Food

11.  A complex carbohydrate that is not digested, but helps keep the body functioning properly

12.  Chains of Amino Acids

13.  Saliva

14.  Muscle contractions that move food through the esophagus

15.  Coat and protect the inside of the stomach

16.  Small Intestine

17.  The process in which your body breaks down food into small nutrient molecules

18.  To produce bile

19.  Form part of the cell membrane and fatty tissues protect and support your organs

20.  To release enzymes that help break down starches, proteins, and fats in the small intestines

21.  A nutrient that is made of sugar molecules in a chain that provides energy and raw materials to the cell.  Examples: potatoes and rice.

22.  Sweat released by sweat glands.

23.  Food that is classified into six groups that helps a person know the number of servings from each group to eat every day.

24.  A slippery substance that lines the esophagus and stomach.

25.  Hydrochloric acid

26.  Gallbladder

27.  Tiny structures in the small intestine that absorb nutrient molecules

28.  Your size, age, and level of activity.

29.  Proteins that help in the process of chemical digestion.

30.  Prevent food from entering your windpipe

31.  To prepare wastes for elimination

32.  Nutrients not made by living things

33.  See figure 12 on page 517.

34.  See figure 16 on page 525

35.  Essay Question: Read the section over water on page 511.

36.  Essay Question: Read the section over the mouth on page 518.