i need some more help its 20 questions?

1) name one of the three sources of energy for the body.

2) _______ have no energy value but are crucial to good health.

3) In the mouth, food is mixed with _____, a mixture of water, mucus, and enzymes.

4) feelings of inadequacy, low self-esteem and lack of control of one's life can contribute to eating disorders.

true or false

5) some health consequences of anorexia nervosa are

a) abnormally slow heart rate and low blood pressure b) tooth decay c) muscle loss and weakness d) dry hair, skin and nails e) irregular bowel movements as a result of laxative abuse

6) sall finger-like projections call _____ in the small intestine, act to increase the surface area for absorption.

6) anorexia nervosa is characterized by self-starvation and excessive ______ loss.

8) you need to eat enough of each type of food from the food guide pyramid to ensure adequate intake of nutrients. Which diet planning principle does this statement describe?

a) calories b) variety c) balance d) moderation

9) the muscular action that propels food through the esophagus is called ______.

10) digestion of complex carbohydrates begins in the

a) stomach b) small intestine c) mouth d) large intestine

11) the five food groups are bread, cereals, ans other grain products; meat, poultry, fish and lemumes; vegetables, milk, cheese and yogurt, and _________.

12) the need for this nutrient by the body is second only to oxygen.

a) water b) protien c) vitamins d) fat

13) the best thing you can do for someone you suspect may have an eating disorder is to ignore the problem.

true or false

14) a symptom of the eatind disorder __________ is strict dieting followed by eating binges.

15) the medium for all body fluids and for regulating the body's temerature is __________

16) _______ is the complex mixture of salts and pigments produced by liver and stored in the gallbladder until needed.

17) a good thing to remember when you're planning your diet is to eat your way to the _________ of the pyramid.

18) ___________ is a measure of the nutrients a food provides relative to the energy it provides.

a) nutrient density b) variety c) adequacy d) moderation

19) the base of the food pyramid represents the _______ food group.

a) meat, poultry, fish, and legumes b) vegetables c) breads, cereals, and whole grains d) fruits

20) the ________ sphincter is at the lower end of the stomach and regulates the outflow of chyme.