Nutrition and Digestion

Question 1

nutrition

Answer 1

the process by which organisms obtain energy for growth; the name of a scientific branch that researches the nutrient needs of organisms

Question 2

enzyme

Answer 2

a substance that catalyzes chemical reactions in the body

Question 3

All organisms need ______________.

Answer 3

energy

Question 4

Different types of work and lifestyles affect ______________ ______________.

Answer 4

energy requirements

Question 5

Nutrition labels show the amount of ______________ and composition of ______________ in a food product.

Answer 5

nutrition nutrients

Question 6

Six sources of nutrients are

Answer 6

. carbohydrates proteins 3. fats 4. vitamins minerals water

Question 7

Carbohydrates

made of ______________
• act as a ______________ source
• primary source of __________

Answer 7

made of sugar
act as a glucose source
primary source of energy

Question 8

Proteins

made of long chains of ______________ ______________
• ______________ tissues
• create ______________
• ______________ worn-out and injured tissues

Answer 8

made of long chains of amino acid
build tissues
create hormones
repair worn out or injured tissues