General
UNIT 4 DISEASES
4.1. Prevention of infectious diseases and diseases caused by poor hygiene
Activity 1
Talk about the following pictures and share what you have seen.
We have understood/learnt that:
If kitchen utensils are cleaned, it prevents us from the following diseases:
a) Infectious diseases: Cholera, dysentery, skin diseases, etc.b) Non-infectious diseases caused by dirt: Typhoid, worms, lice, jiggers, diarrhoea, etc.
Activity 2Practice washing kitchen utensils you use at school
Activity 3Observe the following pictures, talk about them and share what you have observed/seen.
We have learnt/understood that:
Cleaning where we live and washing clothes prevents us from diseases caused by poor hygiene for example, lice and jiggers.
Activity 4
Choose one of the following practices and work it out:
- Washing light clothes - Sweeping in front of the classroom- Mopping the classroom - Mopping the toilets
Activity 5
Observe the following pictures, talk about them and share what you have observed/seen.
We have understood/learnt that:
We prevent non infectious diseases caused by poor hygiene through:
- Cleaning/washing drinks/beverages and food stuffs.- Washing hands before and after meals and visiting the toilet.
EXERCISE
1. Give examples of non-infectious diseases caused by poor hygiene.2. Give ways how you can prevent diseases caused by poor hygiene.
4.2. Non-infectious diseases caused by poor feeding
Activity 6
Observe the following pictures and talk about what you have observed/seen.
We have understood/learnt that:
We should avoid diseases caused by poor feeding for example Kwashiorkor, Marasmus.
We avoid them by eating a balanced diet for example:
Body building foods like meat, eggs, beans, peas, etc.
Energy giving foods like cereals (maize, sorghum, millet and wheat), root tubers like cassava, yams, potatoes, etc.Vitamins like vegetables and fruits of all kinds.
Exercise
1. Give two examples of non-infectious diseases caused by poor feeding.
2. What are the components of a balanced diet?
3. Name two examples of balanced diet foods for each of the following:
a) Body building foods. b) Energy giving foods.
c) Vitamins.4. How can you avoid diseases caused by poor feeding?
Activity 7
Plant vegetables in the school garden,
weed the existing vegetable gardens and feed animals in their kraals at school.
HOMEWORK
1. See if there are vegetable gardens at your homes and irrigate them, if not make plans to plant them, and then after share with others.
2. If there are domestic animals at home and school, give them feeds/grass, if they are not there, encourage them to have them for they will help you have good feeding, then after share with others.
END OF UNIT 4 ASSESSMENT
1. Use the given diseases and fill in the table below: