Label the parts of the skin, give two importances of the skin, identify the organ in control for each nervous system, give three effects of alcohol on the nervous system, state two effects of stress o

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QUESTION 4

4.1) Label the parts of the skin in the diagram below:

1. Epidermis
2. Dermis
3. Hypodermis (or Subcutaneous tissue)

4.2) Give two importance of the skin:

• The skin provides protection against pathogens, UV radiation, and mechanical injury.
• It plays a crucial role in thermoregulation by regulating body temperature through sweating and blood flow.

QUESTION 5

5.1) For each nervous system, identify the organ in control from the list (List of organs: Brain, Heart, Oesophagus, and Spinal Cord):

Central Nervous System	Peripheral Nervous System
Brain	Heart
Spinal Cord	Oesophagus

5.2) Give three effects of alcohol on the nervous system:

• Impaired coordination and balance.
• Slowed reaction time and reflexes.
• Impaired judgment and decision-making.

QUESTION 6

6.1) State two effects of stress on Mr. Paul:

• Increased heart rate and blood pressure.
• Difficulty concentrating and irritability.

6.2) Give three ways Mr. Paul could reduce the effect of stress at his work post:

• Taking short, regular breaks to rest and clear his mind.
• Practicing relaxation techniques such as deep breathing or mindfulness during breaks.
• Improving time management by prioritizing tasks and delegating when possible.

QUESTION 7

7.1) Give two importance of a pictogram in a workshop:

• Pictograms quickly communicate potential hazards and safety information, allowing for immediate recognition of risks.
• They overcome language barriers, ensuring that safety warnings are universally understood by all workers regardless of their native language.