Nutrition Chaptter 3

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Bio 240 Chapter 3
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nutrition
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1

A _____ is a group of cells that work together to perform a specific function?

tissue

2

For this turnover of substances to occur, ________require a continuous supply of energy derived from dietary carbohydrate, protein, and/or fat. Cells also need water; building supplies, especially protein and minerals; and chemical regulators, such as the vitamins. Almost all cells also need a steady supply of oxygen.

cells

3

Lipase is an enzyme that digests

Fats

4

digestive enzymes are very specific with regard to the

1. pH of the environment in which they function
2. type of chemical reaction they catalyze
3. vitamin or mineral cofactors they require to function

5

regulates metabolism through the actions of hormones

endocrine

6

Transports nutrients, waste products, gases, and hormones throughout the body and plays a role in the immune response and the regulation of body temperature.

cardiovascular

7

Removes foreign substances from the blood and lymph, combats disease, maintains tissue fluid balance, and aids in fat absorption.

Lymphatic

8

Removes waste products from the circulatory system and regulates the acidity, chemical composition, and water content of the blood

urinary

9

Detects sensations , controls psychological and intellectual functions

nervous

10

The order of digestive organs as they come in contact with food

Mouth

espohagus

stomach

small intestines

large intestines

11

Energy for chemical reactions in the cell can be derived from ?

proteins, fats and carbohydrates

12

The kidneys bladder and ureter make up the

urinary system

13

Fat

glucose

calcium

adipose

muscle & liver

bones

14

Heartburn does not involve the heart at all it is a pain in the chest caused by

a reflux of highly acidic stomach contents into the esophagus.

15

a deficiency of ____f_____is likely to impair immune functions

protein, vitamin A and zinc

16

Dana reports abdominal pain, bloating, gas after eating especially meals high in fat she probably has

gallstones

17

Levels of organization from least to complex

cells

tissues

organs

organ system

18

Regular use of _______may cause constipation

antacids

calcium

iron supplements

19

What are typical causes of diarrhea

poorly absorbed food substances

malabsorbed carbohydrates,

microorganisms

20

RNA

transmit the genetic code from the nucleus to the sites of protein synthesis within the cell

21

DNA

stores genetic code to the nucleus

22

Which of the following cell components are organelles?

mitochondria / lysosomes

23

The initial goal of diet therapy for diarrhea is to provide

fluids and electrolytes

24

Name one of the primary taste sensation

salty

25

the kidney and lungs work cooperatively to

maintain acid- base balance