REMEMBER:
- Health is a state of well being. Disease is when the body stops working correctly and symptoms appear.
- We can stay healthy by keeping healthy habits, like enough rest, a balanced diet, good hygiene and physical exercise.
Preventing infectious diseases:
- With good hygiene.
- With vaccines: where a dead or inactive pathogen enters a healthy body.
Treatment for infections diseases:
- Diseases caused by microorganisms are treated by antibiotics.
- Infections caused by fungy are treated with antifugal medicines.
- Medicines for diseases caused by viruses can only relieve symptoms.
Matter is everything we can see or touch.
Properties of MATTER:
- They have mass and occupy volume.
- There are other properties :
- Density.
- Hardness
- Elasticity
- Water resistance
- Transparency
- We can distinguish one type of matter from another by their characteristic properties.
- Matter that we use for making objectos is called material.
- Mater can be in three states: solid, liquid and gaseose
Video sobre los estados de la materia. STATES OF MATTER