Revision Questions -section 1 Flashcards
Give three reasons why our body needs protein
For growth , repair and maintenance
Name four alternative proteins
Soya , Tofu , TVP , Mycoprotien
Describe two effects caused by an excess of protein
There would be a lot of pressure and strain on the liver and kidney , causing them not to function properly, which can be dangerous.
Describe two effects caused by a deficiency of protein
Your growth will slow down and the immune system can’t work properly causing wounds to not heal quickly
Give three reasons why our body needs fat
Energy , nutrients and insulation
Explain the difference between saturated and unsaturated fats
Saturated fats are bad for you , as they come from animal products and they are solid at room temperature.
Whereas, unsaturated fats are healthier and are made from vegetable sources and are liquid at room temperature.
Describe four effects of having excess amounts of fat
Causes weight gain , Leads to obesity ,Can cause type 2 diabetes and increases blood cholesterol levels .
Describe four effects of having fat deficiency
Causes vitamin deficiency, it will cause weight loss , less insulation causes your body to become colder and a thin layer of fat causes your body to be less protected
Describe three effects causes by a carbohydrates deficiency
Causes blood glucose levels to drop , not enough energy and it causes us to lose muscles .
Describe three effects of having an excess amount of carbohydrates
It causes obesity , tooth decay and there would be rapid surges in blood glucose levels
List five foods which are rich in b-vitamins
Milk , liver , wheat , nuts , meat
Why is vitamin B1 important in the diet ?
It helps the nervous system and allows energy to be released from foods
Explain the importance of vitamin B2 in the diet ?
Helps release energy and repairs tissue
Explain the importance of vitamin B9 in the diet
It is critical for growth , healthy babies and it works with vitamin B12 to make red blood cells
Explain the importance of vitamin B12 in the diet
It helps the nervous system and if works with vitamin B9 to make red blood cells
Explain the importance of vitamin c in the diet
It protects the body from infection and allergies , keeps blood vessels healthy and heals wounds
Why do we need calcium in our body ? What foods is it found in ?
For strong bones and teeth , healthy nerves and muscles .
Found in milk , cheeses , tofu , green leafy vegetables .
What does too little or too much calcium do to our body ?
Too much calcium can increase the risk of getting kidney stones .
Too little calcium during childhood can lead to rickets or osteoporosis
What does iron do for the body ? What foods is it found in ?
Iron is needed for haemoglobin which allows blood cells to be red.
It’s found in green leafy vegetables and meat
How does having too much or too little iron affect the body ?
Too much iron can cause stomach pains , nausea and constipation .
Too little iron can cause anaemia