Run the breathing gates

Exercise and reference answers

Questions

1. Correct

   Gills

   Choices

   1. Gills
   2. Trachea
   3. Neither

2. Correct

   Trachea

   Choices

   1. Gills
   2. Trachea
   3. Neither

3. Correct

   Diffusion

   Choices

   1. Diffusion
   2. Pumping
   3. Neither

4. Correct

   Pumping

   Choices

   1. Diffusion
   2. Pumping
   3. Neither

5. Correct

   Alveolus

   Choices

   1. Alveolus
   2. Spiracle
   3. Neither

6. Correct

   Spiracle

   Choices

   1. Alveolus
   2. Spiracle
   3. Neither

Instructions

Pick the correct term at every gate.

Explanation