Topic 2. Nutrients

• Biology
• Secondary Education
• Age 12,13

Topic 2. Nutrients

How do you feel right now?

😒🙁😐🙂😃

Diet and Fibre

Give me one thing you saw on the food labels.

OPENING STATEMENTS

Protein, carbohydrate and fat are <span style="font-weight: bold; color: rgb(248, 200, 45)">nutrients</span>.

<span style="font-weight: bold; color: rgb(248, 200, 45)">Nutrients</span> are substances found in food, that you need to <span style="font-style: italic; font-weight: bold">stay healthy</span>.&nbsp;

You do not eat all the time, but <span style="font-style: italic; font-weight: bold">you need energy all the time</span>. You get almost all of your energy from the <span style="font-weight: bold">carbohydrates</span> and <span style="font-weight: bold">fats </span>that you eat. You can also get energy from <span style="font-weight: bold">protein</span> if you run out of carbohydrates and fats.

Does this meal have all expected nutrients that the body needs?

<b>NO</b>

<b>YES</b>

<span style="color: rgb(255, 255, 255)">The<span style="text-decoration-line: underline"> rice</span> contains a lot of <span style="text-decoration-line: underline">starch</span>. <i><b>Starch is a type of carbohydrate</b></i>. After you have eaten starch, the body breaks it down to make a sugar called <span style="font-weight: bold">glucose.&nbsp;</span></span>

<div><span style="color: rgb(255, 255, 255)">The <span style="font-weight: bold">chicken and beans </span>contain a lot of <span style="font-weight: bold">protein</span>. Protein is<span style="font-style: italic"> important</span></span></div><div><span style="color: rgb(255, 255, 255)">for <span style="font-style: italic">making new cells in the body</span>. So you need protein to help the body <span style="font-weight: bold">to grow,</span> or <span style="font-weight: bold">to repair itself</span> if it gets damaged. Protein is also needed to make</span><span style="color: rgb(0, 0, 0)"> </span><span style="color: rgb(248, 200, 45)"><span style="font-weight: bold">haemoglobin</span> </span><span style="color: rgb(255, 255, 255)">and</span><span style="color: rgb(0, 0, 0)"> </span><span style="font-weight: bold; color: rgb(248, 200, 45)">antibodies</span><span style="color: rgb(0, 0, 0)">.</span></div><div><span style="color: rgb(255, 255, 255)"><br></span></div>

<div><span style="color: rgb(255, 255, 255)">The <span style="font-weight: bold">avocado</span> contains <span style="font-style: italic">fats and oils</span>. Fats and oils are very similar, but</span><span style="color: rgb(0, 0, 0)"> </span><span style="font-weight: bold; color: rgb(239, 241, 131)">fats are solid at normal temperatures</span><span style="color: rgb(0, 0, 0)"> </span><span style="color: rgb(255, 255, 255)">and </span><span style="color: rgb(248, 200, 45); font-weight: bold">oils&nbsp;are liquid</span><span style="color: rgb(0, 0, 0)">. </span><span style="color: rgb(255, 255, 255)">Fats and oils give you <span style="text-decoration-line: underline; font-style: italic">energy</span>. They are also needed to <span style="font-weight: bold">make cell membranes.</span></span></div><div><span style="color: rgb(255, 255, 255)"><br></span></div>

You may remember that glucose is the fuel that your cells use for respiration, to release energy. So starch, sugar and other carbohydrates are needed to give you energy.

Which nutrient is mainly found in these foods?

1. proteins
2. carbohydrates
3. fats
4. none from the first three choices

Which nutrient is mainly found in these foods?

1. proteins
2. carbohydrates
3. fats
4. none from the first three choices

Which nutrient is mainly found in these foods?

1. proteins
2. carbohydrates
3. fats
4. none from the first three choices

You store a little bit of carbohydrate, and quite a lot of fat, in your body.

1. TRUE
2. FALSE

These energy stores provide you with energy whenever you need it.

You store a small amount of carbohydrate in your cells, especially in the liver and muscles.

1. TRUE
2. FALSE

These are short-term energy stores.

Your body never stores fat in special cells underneath the skin and around some of the body organs.

1. TRUE
2. FALSE

For long-term stores,

Fat stores in the body also provide heat insulation.

1. TRUE
2. FALSE

Animals that live in cold places, like this seal, have a lot of fat stores underneath their skin, to help to stop them losing heat from their body.

Animals that live in cold places, like this seal, have a lot of fat stores underneath their skin, to help to stop them losing heat from their body.

Skill Task 3. Graphical Analysis about Energy Requirements

Skill Task 4. Food Label Analysis

TO DO: