Available Answers

1. 1.

   How do frogs breathe?
2. 2.

   What is the function of the small hairs that line the nasal cavity?
3. 3.

   How does the diaphragm help in breathing?
4. 4.

   What is diffusion?
5. 5.

   What are alveoli?
6. 6.

   Form similar pairs of words.

   1. cellular respiration and intracellular process / ____________ and extracellular process 
   2. breathing and ____________ / respiration and chemical process
   3. plants and aerobic respiration / yeast and ____________
   4. aerobic respiration and water + carbon dioxide / anaerobic respiration and _______________