Worksheet: Nutrition and Physical Activity Essay

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University of Phoenix Material

Nutrition and Health Worksheet

Use Ch. 1 of Contemporary Nutrition, Ch. 2 of Visualizing Nutrition, supplemental course materials, the University Library, the Internet, or other resources to answer the following questions. Your response to each question should be 75 to 100 words.

1. What is nutrition? Why is nutrition essential to our daily lives?
Nutrition is the science that links the foods that we eat to health and disease. It involves the process in which we humans ingests disgest, absorbs, transports, and excretes the food substances that we encounter on a daily basis. Nutrition is essential to our lives because they are important to the growth and maintenance for us humans to have a healthy body through-out the lifetime of our body.

2. What is the connection between nutrition and health?
The connection between nutrition and health is when they are both maintained properly the person is able to live a healthy lifestyle. Maintaining a proper lifestyle starting in your younger years will keep you from exhibiting horrible health consequences one of the main ones being osteoporosis which can lead to several bone fractures. When older people do not live a healthy life style they can get several risk factors which include but are not limited to heart disease, hypertension diabetes, and different forms of cancer.

3. What are the six classes of nutrients? What are essential nutrients? What are the sources of nutrients? What do nutrients do?
The six classes of nutrients are
Water
Lipids
Carbohydrates
Minerals
Vitamins
Proteins
Essential nutrients are substances that have 3 vital characteristics essential to proper health.
There must be at least one specific biological function of a nutrient that is in the body that is identified.
Omission of that nutrient from the diet that is at hand must be the head of a decline in a certain biological function, which can be production of body cells
Replaces omitted nutrients that are in the diet before they become bad and some damages happen to the normal functions.

4. How do vitamins and minerals work?
Vitamins contain different chemical structures and may contain elements such as carbon, hydrogen, nitrogen, oxygen, and many others. The main functions of vitamins is to allow many chemical reactions to happen in the body that releases the energy in carbohydrates,proteins , and fats.
Minerals are inorganic substances that can function independently in the body or fuction with mineral combinations and are not destroyed during cooking but can be lost if they are dissolved in water that was cooked and thrown away. They are important for water balance in the body skeletal systems, nervous system, and other cellular processes.

5. What does it mean to eat a balanced diet? Why is food choice important for good nutrition?
What it means to eat a balanced diet is to choose foods that provide enough of essential nutrients. When you eat something that may be high in fiber balance that our later on with something that may lack a little in fiber. This also includes calorie intake to help body weight such as burning the same amount of calories you take in with doing exercises daily. Good food choice is important eating certain foods will deprive you of certain nutrients that are needed on a daily basis and without those nutrients it can lead to people being under nutrition or over nutrition.

6. What is undernutrition? What is overnutrition?
Under nutrition happens when the amount of intake that happens does not meet to what the body’s needs are. Some symptoms of deficiency can either happen quickly such as dehydration due to lack of water and others symptoms such as osteoporosis which a calcium deficit diet can take several years.
Over nutrition is when there is an excess intake of calories or nutrients which can also lead to several health risks as well. A main disease known as obesity is due to…