Flashcards in B1 1 Diet and Exercise Deck (15):
What is the metabolic rate?
The chemical reactions that take place in cells.
What does a balanced diet consist of?
What does malnourishment mean?
If you're malnourished, you don't have a balanced diet.
What is the cause of deficiency diseases?
A lack of vitamin and mineral ions.
Why do most athletes need a lot of energy?
They have a great deal of muscle tissue (muscle to fat ratio) so they need a lot of food to supply the energy that they need.
What affects the amount of energy that you need?
• Metabolic rate
• Inherited factors
What's the missing word?
In warmer countries, you need to eat ... food. This is because you use less energy keeping your body temperature at a steady level.
What happens when you take in more energy than you use?
The excess is stored as fat.
What can fat act as?
• Protection for your internal organs
• Energy store
Carrying too much weight is inconvenient. Being obese or overweight can lead to many problems.
Name a few:
• Type 2 diabetes
• High blood pressure
• Heart disease
How can you reduce your weight?
• Cutting back the amount of food you eat. Especially the energy rich foods like biscuits
• Increase the amount of exercise you do
The word malnourished can be used to describe people who do not have a balanced diet. They may have too little or too much food, or have a wrong combination of foods.
What is cholesterol needed for?
• Cell membranes
• To make vital hormones
What do inherited factors affect?
• The proportion of muscle to fat in your body
• The risk of heart disease as they influence the amount of cholesterol in your blood