Unit one : missing letters

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Across
  1. 2. a soft substance that you rub into your skin
  2. 3. small solid pieces of medicine that a person swallows without chewing
  3. 5. an organ in the body where food is digested, or the soft front part of your body just below the chest
  4. 6. the middle joint of the leg that allows the leg to bend
  5. 8. the red liquid that is sent around the body by the heart, and carries oxygen and important substances to organs and tissue, and removes waste products
  6. 10. to move air into and out of the lungs
  7. 11. the natural outer layer that covers a person, animal, fruit, etc.
  8. 12. a joint ( place where two bones are connected) between the foot and the leg, or the thin part of the leg just above the foot
  9. 13. to cause food, drink, pills, etc. to move from your mouth into your stomach by using the muscles of your throat
  10. 15. the organ in your chest that sends the blood around your body:
  11. 16. treatment for illness or injury
  12. 17. cough to force air out of your lungs through your throat with a short, loud sound
Down
  1. 1. to feel weak, as if you are about to become unconscious
  2. 3. sticky cloth or plastic that you use to cover and protect a cut in the skin
  3. 4. the part in the middle of the arm where it bends, or the part of a piece of clothing that covers this area
  4. 5. air and often small drops of liquid suddenly come out of your nose and mouth in a way you cannot control
  5. 7. one of the two parts of the body at each side of the neck that join the arms to the rest of the body
  6. 8. a long, narrow piece of cloth that is tied around an injury or a part of someone's body that has been hurt
  7. 9. any of the hard parts inside a human or animal that make up its frame
  8. 14. the part of the body between the hand and the arm: