Photosynthesis-This is a process when the plant absorbs light energy and converts carbon dioxide to oxygen.

  • This occurs in green leaves.
  • The upper epidermis is the top layer of a plant.
  • The lower epdermis is the bottom of a plant.

Glass retains heat!

Plants need;

  1. Carbon dioxide which comes from the atmosphere.
  2. Hydrogen which comes from water(H2O)
  3. Oxygen which comes from humans

Also plants need magnesium and nitrate which comes from the soil and Nature.

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Balanced diet-This is a diet that contains the proper proportions of carbohydrates, fats, proteins, vitamins, minerals and water necessary to maintain good healthy lifestlyle.

Reflex action- This is an involuntary and nearly instantaneous movement in response to a stimulus.


Blood pressure is when your heart pumps.

Blood carries food and oxygen to the cells of the body. Veins and arteries these carry blood. Arteries carry the purified blood and the veins carry the dirty blood.

Arteries carry blood under pressure. The pumping of the heart puts the blood under pressure.

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