Human Respiratory System

Edit Answers
123456
Across
  1. 2. involves the movement of the diaphragm and the rib cage
  2. 4. ribs move up
  3. 5. cavity air passes through our nostrils into
  4. 6. a large muscular sheet is called
Down
  1. 1. cavity lungs are present in the
  2. 3. ribs move down