1.2 Food Composition Flashcards
What are the four uses of nutrients in our body?
- promote growth and development
- maintain tissues, cells, and bone
- fuel the body for physical and metabolic work
- regulate body processes
What is an essential nutrient?
nutrients that are vital for sustaining our health and cannot be made by the body
What are the three general functions of essential nutrients?
- provide energy
- regulate body processes
- contribute to cellular and body structure
What are the six classes of essential nutrients?
- cabohydrates
- lipids
- proteins
- vitamins
- minerals
- water
What is a macronutrient?
needed in large amounts in the body
What is a micronutrient?
needed in small amounts in the body
What is an organic nutrient?
compound that contains carbon and hydrogen
What is an inorganic nutrient?
compound that does not contain carbon
What are carbohydrates composed of?
carbon
hydrogen
oxygen
What is the building block of carbohydrates?
glucose
What is the primary function of carbohydrates?
primary source of energy
What are lipids composed of?
carbon
hydrogen
oxygen
What are the three common types of lipids in the human body?
triglycerides
sterols
phospholipids
What are the functions of lipids?
energy source
structure
regulations
What are proteins composed of?
carbon
hydrogen
oxygen
nitrogen
