Respiratory system

123456
Across
  1. 1. here is were the vocal cords are located.
  2. 4. the cell waste is eliminated as this.
  3. 6. an essential process for the body.
Down
  1. 2. this is the end of the respiratory system.
  2. 3. this tube consists of a series of cartilage rings.
  3. 5. our body takes this through respiration.