Living Systems

The following topic has been broken down into components. Click on the part you wish to learn about in more detail below.

Living things & CellsPhotosynthesis & Respiration
Cell Mitosis & MeiosisSystems in Plants
Human living systemsUnicellular life
Organ DonationDisease over time

Topic Revision

  1. Define unicellular and multicellular
  2.  Why do  we need cells to divide
  3.  Draw a simple plant and animal cell
  4. What is the function of the cell membrane, vacuole, chloroplast, and nucleus.
  5. What is respiration?  Write the word equation.
  6. Where does it occur in the cell?
  7. What is photosynthesis?  Write the word equation. Where does it occur in the plant cell?
  8. What is the product of photosynthesis? Why are plants called producers?
  9.  What is transpiration?
  10.  What is  the role of the root, stem,  Leaf and flower in a plant?
  11. Draw a simple model of the heart , labelling all parts.
  12. What is a pulse? How many litres of blood pass through your heart per minute?
  13. Why are valves important in the heart? Veins?
  14. Draw a diagram which shows the flow of blood around the body
  15. Where does the gas exchange occur in the lungs?
  16. What is the role of the diaphragm in breathing?
  17. What is the role of the skeleton?
  18. Define ligaments, tendon
  19. What mineral is essential for bone development?
  20. Know the role of the teeth, oesophagus, duodenum, rectum etc in the digestive system.
  21. Where does most of the absorption of food occur in the digestive system?
  22. What feature of the small intestine increases the rate of absorption  of digested food.
  23. Define urethra, ureter, urine, urea