30.2

Question 1

Calorie

Answer 1

Amount of heat needed to raise 1 gram of water by 1 degree Celsius x1000=kilocalorie

Question 2

Nutrients

Answer 2

Substances in food the supple energy and raw materials your body uses for growth, repair, and maintenance.

Question 3

Why do cells need water

Answer 3

It is what most chemical reactions take place in plus body fluids are made from it

Question 4

Carbohydrates

Answer 4

Major energy source for the body. They contain fiber which helps your muscles move

Question 5

Fats

Answer 5

They are lipids and help the body absorb fat-soluble vitamins.

Question 6

Proteins

Answer 6

They are from polymers and amino acids. They supply raw materials for for growth and repair of structures such as skin and muscle

Question 7

Vitamins

Answer 7

They are organic molecules that the body needs usually in small amounts. They are needed by the body to help perform chemical reactions

Question 8

Minerals

Answer 8

They are inorganic nutrients that the body needs usually in small amounts. They are used for different things like bone and tooth formation with calcium.