Nutrients in Food- macronutrients

Question 1

What are the functions and sources of protein?

Answer 1

-growth and repair
-creation of some hormones
-transports some molecules
-forms antibodies that help prevent infections.

-eggs
-nuts
-meat

Question 2

What are the functions and sources of carbohydrates?

Answer 2

-Provide energy for the body.
-fuel for CNS
-enables fat metabolism
-source of energy for muscle contraction and biological work.

Starchy:
-Potatoes
-breads
-cereals

Sugary:
-sweets
-cakes
-biscuits

Question 3

What are the functions and sources of fats?

Answer 3

-backup energy source when carbohydrates aren’t available (1g fat= 9cal)
-some vitamins (A, D, E & K) are fat- soluble and can’t function without adequate daily intakes of fat.
-fat cells in adipose tissue insulates the body and helps sustain a normal core temperature.
-protects vital organs

-meat
-butter
-milk and milk products