Respiration in Plants:
1. Respiratory organs in plants are generally stomata in leaves, lenticels in stem, and the general surface of roots.
2. The rate of respiration is slow.
3. Plants do not breathe, they only respire.
Respiration in Animals:
1. Respiratory organs in animals is generally the lungs, and the gills.
2. The rate of respiration is fast.
3. Animals usually breathe in the air for carrying out cellular respiration.