Science, Term 1, Nutrition And Digestion Flashcards
Seven major components of a healthy human diet?
Carbohydrates, fats and oils, proteins, vitamins, minerals, fiber, and water
Why do we need carbohydrates in our diet?
To provide energy
Why do we need fats and oils in our diet?
For energy store and insulation
Why do we need proteins in our diet?
For growth, repair of cells and tissues
Why do we need vitamins in our diet?
Important for body processes and general health
Why do we need minerals in our diet?
Needed to make blood, bones, etc
Why do we need fiber in our diet?
To bulk up food to allow it to pass easily through the digestive system
Why do we need water in our diet?
For chemical reactions and transporting substances
Name two major factors that affect our energy requirements
Age and amount of excersize done
What is a deficiency disease?
A disease caused by lacking a component of a healthy diet
What does underweight mean?
When a person has a low body weight
What is the cause of being underweight?
A diet in which less energy is taken in than is used by the body
What are the symptoms of being underweight?
Tiredness, headaches, dry skin, and teeth problems
What is anaemia?
When a person doesn’t make enough red blood cells
What is the cause of anaemia?
Lack of iron