Month: April 2018

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PHYSIOLOGY- 2 MARKS- PART 2:

COAGULATION TIME:

  • The coagulation time is a measurement of the intrinsic power of the blood to convert fibrinogen to fibrin.
  • PT (The prothrombin time ) is measured in seconds. Most of the time, results are given as what is called INR(international normalized ratio).
  • If you are not taking blood thinning medicines, such as warfarin, the normal range for your PT results is: 11 to 13.5 seconds.

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PHYSIOLOGY-2 MARKS-PART-1

MITOCHONDRIA:

  • Mitochondria are known as the powerhouses of the cell.
  • They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell.
  • Mitochondria are a part of eukaryotic cells.
  • The main job of mitochondria is to perform cellular respiration.
  • This means it takes in nutrients from the cell, breaks it down, and turns it into energy.
  • This energy is then in turn used by the cell to carry out various functions.

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